* {
    box-sizing: border-box
}

body:not(.loaded),
body:not(.loaded) * {
    transition: none !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
    color: var(--base-color-15);
    margin: 0;
    padding: 0;
    font-weight: 700;
    transition: color 0.2s ease;
}

h1:not(:last-child),
h2:not(:last-child),
h3:not(:last-child),
h4:not(:last-child),
h5:not(:last-child),
h6:not(:last-child) {
    margin-bottom: 20px
}

h1 {
    font-size: 32px
}

h2 {
    font-size: 24px
}

h3 {
    font-size: 18px
}

h4 {
    font-size: 16px
}

h5 {
    font-size: 16px
}

h6 {
    font-size: 16px
}

p {
    margin: 0px;
}

p:not(:last-child) {
    margin-bottom: 15px;
}

a {
    color: var(--base-color-2);
    text-decoration: none;
    transition: color 0.2s ease;
}

html,
body {
    margin: 0;
    padding: 0
}

body {
    background: var(--base-color-3);
    font-family: 'Gilroy', sans-serif;
    font-style: normal;
    font-weight: 400;
    font-size: 18px;
    line-height: 1.6;
    color: var(--base-color-1);
    transition: color 0.2s ease, background 0.2s ease;
}

.container {
    max-width: 1440px;
    padding: 0
}

.wrapper {
    margin: 0 auto;
    padding: 30px
}

.row-center {
    align-items: center
}

.row-stretch {
    align-items: stretch
}

.row-bottom-margin {
    margin-bottom: 15px
}

.header {
    margin-bottom: 40px
}

.header__logo {
    display: block
}

.header__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain
}

.header__search-form {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    background: var(--base-color-14);
    padding: 5px;
    border-radius: 8px;
    flex-wrap: nowrap;
    gap: 10px;
    height: 56px;
    transition: color 0.2s ease, background 0.2s ease;
}

.header__search-form__input {
    flex: 1;
    border: 0;
    outline: 0;
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 30px;
    background: none;
    width: 100%;
    color: var(--base-color-1);
}

.header__search-form__icon {
    margin-left: 16px;
    pointer-events: none;
    width: 21px
}

.header__search-form__dropdown__icon {
    position: relative;
    z-index: 2;
    width: 20px
}

.header__search-form__dropdown {
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    margin-right: 15px;
    z-index: 8
}

.header__search-form__dropdown:before {
    content: '';
    width: 1px;
    height: 80%;
    background: var(--base-color-1);
    margin-right: 15px;
    opacity: 0.2;
}

.header__search-form__dropdown__select {
    border: 0;
    cursor: pointer;
    font-style: normal;
    font-weight: 500;
    font-size: 18px;
    line-height: 30px;
    color: var(--base-color-1);
    outline: 0;
    height: 100%;
    padding: 0 15px;
    margin-left: -25px;
    background: transparent;
}

.header__search-form__dropdown__select option {
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 30px;
    color: var(--base-color-1)
}

.header__buttons {
    display: flex;
    gap: 10px;
    flex-direction: row;
}

.header__buttons .btn {
    height: 56px;
    width: 100%;
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 5px;
    min-width: 56px;
}

.header__mobile-panel {
    display: none;
}

.header--mobile .header__search-form {
    display: none;
}

.header--mobile .header__logo {
    max-width: 200px;
}

.header--mobile .btn {
    background: var(--base-color-14);
}

.header--mobile .btn svg {
    fill: var(--base-color-6) !important
}

.header--mobile .btn:hover svg {
    fill: var(--base-color-16) !important
}

.header--mobile {
    position: fixed;
    top: 0px;
    left: 0px;
    width: 100%;
    padding: 20px 30px;
    background: var(--base-color-3);
    z-index: 99;
    transition: color 0.2s ease, background 0.2s ease;
    border-bottom: var(--base-color-10) 1px solid;
}

.header--mobile--opened {
    background: var(--base-color-7);
}

.header--mobile--opened .btn-open-menu--icon-open {
    display: none;
}

.header--mobile--opened .btn-open-menu--icon-close {
    display: block;
}

.header--mobile--opened .header__logo {
    display: none;
}

.header--mobile--opened .header__search-form {
    display: flex;
}

.header--mobile--opened .header__mobile-panel {
    display: block;
}

.header--mobile .header__search-form {
    background: none;
    border: var(--base-color-16) 1px solid;
}

.header--mobile .header__search-form__input {
    color: var(--base-color-15);
}

.header--mobile .header__search-form__input::placeholder {
    color: var(--base-color-8);
}

.header--mobile .header__search-form__input::-ms-input-placeholder {
    color: var(--base-color-8);
}

.header__mobile-panel {
    margin-top: 20px;
}

.header__mobile-panel__section:not(:last-child) {
    margin-bottom: 25px;
}

.header__mobile-panel__section-content--list a {
    color: var(--base-color-16);
    padding: 5px 8px;
    text-decoration: none;
    border-radius: 12px;
}

.header__mobile-panel__section-content--list a:hover {
    background: var(--base-color-16);
    color: var(--base-color-6);
}

.header__mobile-panel__section-title {
    color: var(--base-color-16);
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    display: flex;
    border-bottom: var(--base-color-9) 1px solid;
}

.btn-open-menu--icon-close {
    display: none;
}

.jumbotron {
    padding: 30px 65px;
    border-radius: 25px;
    background: var(--base-color-6) url(../img/bg-waves-purple-big.svg) top left no-repeat;
    background-size: cover;
    color: var(--base-color-16);
    overflow: hidden;
}

.jumbotron__image {
    width: 100%;
    transform: scale(1.25)
}

.jumbotron__title {
    font-style: normal;
    font-weight: 700;
    font-size: 42px;
    line-height: 42px;
    color: var(--base-color-16)
}

.jumbotron__text {
    font-style: normal;
    font-weight: 300;
    font-size: 22px;
    line-height: 26px;
    margin-bottom: 30px
}

.jumbotron__tip {
    display: flex;
    align-items: center;
    gap: 10px;
    font-style: normal;
    font-weight: 500;
    font-size: 20px;
    line-height: 24px
}

.jumbotron__tip__icon {
    width: 25px;
    height: 25px
}

.grade-block {
    background: var(--base-color-14);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    border-radius: 25px;
    aspect-ratio: 1 / 1;
    color: var(--base-color-10);
    transition: background .2s ease, color .2s ease, transform .2s ease;
    overflow: hidden;
    position: relative;
    text-decoration: none !important;
}

.grade-block:after {
    content: '';
    background: linear-gradient(49.47deg, var(--const-color-29) 30.29%, #FC2E62 102.22%);
    display: block;
    height: 100%;
    width: 100%;
    opacity: 0;
    position: absolute;
    transition: opacity .2s ease;
    z-index: 0
}

.grade-block:hover {
    color: var(--base-color-16);
    transform: scale(1.05)
}

.grade-block:hover:after {
    opacity: 1
}

.grade-block__number {
    font-style: normal;
    font-weight: 700;
    font-size: 40px;
    margin-top: 10px;
    position: relative;
    z-index: 2
}

.grade-block__caption {
    font-style: normal;
    font-weight: 700;
    font-size: 16px;
    z-index: 2
}

.subject-block {
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: 25px;
    background: var(--base-color-14);
    padding: 30px 20px;
    justify-content: space-between;
    transition: transform .2s ease;
    overflow: hidden;
}

.subject-block:hover {
    transform: scale(1.05)
}

.subject-block__content {
    display: flex;
    flex-direction: column;
    gap: 5px
}

.subject-block__content__caption {
    font-style: normal;
    font-weight: 400;
    font-size: 15px;
    line-height: 18px;
    color: var(--base-color-16)
}

.subject-block__content__title {
    color: var(--base-color-16);
    font-style: normal;
    font-weight: 600;
    font-size: 20px;
    line-height: 25px;
    text-decoration: none !important
}

.subject-block__content__grades {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-top: 10px
}

.subject-block__content__grades-item {
    width: 18px;
    height: 18px;
    text-decoration: none !important;
    color: var(--base-color-15);
    background: var(--base-color-14);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 6px;
    font-style: normal;
    font-weight: 600;
    font-size: 12px;
    transition: background .2s ease, color .2s ease
}

/* Pink */
.background-pink .subject-block__content__grades-item {
    background: var(--const-color-1);
    color: var(--const-color-2);
}

.background-pink .subject-block__content__grades-item:hover {
    background: var(--base-color-14);
    color: var(--const-color-3);
}

/* Blue */
.background-blue .subject-block__content__grades-item {
    background: var(--const-color-4);
    color: var(--const-color-5);
}

.background-blue .subject-block__content__grades-item:hover {
    background: var(--base-color-14);
    color: var(--const-color-6);
}

/* Red */
.background-red .subject-block__content__grades-item {
    background: var(--const-color-7);
    color: var(--const-color-8)
}

.background-red .subject-block__content__grades-item:hover {
    background: var(--base-color-16);
    color: var(--const-color-9);
}

/* Green */
.background-green .subject-block__content__grades-item {
    background: var(--const-color-10);
    color: var(--const-color-11);
}

.background-green .subject-block__content__grades-item:hover {
    background: var(--base-color-14);
    color: var(--const-color-12);
}

/* Violet */
.background-violet .subject-block__content__grades-item {
    background: var(--const-color-13);
    color: var(--const-color-14);
}

.background-violet .subject-block__content__grades-item:hover {
    background: var(--base-color-14);
    color: var(--const-color-15);
}

/* Yellow */
.background-yellow .subject-block__content__grades-item {
    background: var(--const-color-16);
    color: var(--const-color-17);
}

.background-yellow .subject-block__content__title,
.background-yellow .subject-block__content__caption {
    color: var(--base-color-15);
}

.background-yellow .subject-block__content__grades-item:hover {
    background: var(--base-color-14);
    color: var(--const-color-18);
}

/* Orange */
.background-orange .subject-block__content__grades-item {
    background: var(--const-color-19);
    color: var(--const-color-20);
}

.background-orange .subject-block__content__grades-item:hover {
    background: var(--base-color-14);
    color: var(--const-color-21);
}

/* Cyan */
.background-cyan .subject-block__content__grades-item {
    background: var(--const-color-22);
    color: var(--const-color-23);
}

.background-cyan .subject-block__content__grades-item:hover {
    background: var(--base-color-14);
    color: var(--const-color-24);
}

/* Purple */
.background-purple .subject-block__content__grades-item {
    background: var(--const-color-25);
    color: var(--const-color-26);
}

.background-purple .subject-block__content__grades-item:hover {
    background: var(--base-color-14);
    color: var(--const-color-27);
}

.section {
    margin-bottom: 30px
}

.section__title {
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.section__title__text {
    margin: 0px;
}

.section__title__text {
    font-style: normal;
    font-weight: 700;
    font-size: 28px;
    line-height: 38px;
    margin: 0 !important;
    color: var(--base-color-15);
}

.section__title__dropdown {
    border-radius: 360px;
    padding: 18px 25px;
    display: flex;
    flex-direction: row;
    justify-content: stretch;
    position: relative;
    min-width: 200px
}

.section__title__dropdown__select {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    background: var(--base-color-14);
    border-radius: 360px;
    padding: 0 50px;
    outline: 0;
    border: 0
}

.section__title__dropdown__select option {
    font-size: 16px
}

.section__title__dropdown__icon {
    pointer-events: none;
    z-index: 2;
    position: relative;
    left: -5px
}

.book-block {
    background: var(--base-color-14);
    display: block;
    padding: 10px;
    border-radius: 30px;
    text-decoration: none !important;
    transition: color 0.2s ease, background 0.2s ease, transform .2s ease;
}

.book-summary__title {
    text-transform: uppercase;
    margin-bottom: 10px !important;
}

.book-summary__text {
    margin-bottom: 20px;
}

.book-summary .book-block {
    margin-bottom: 20px;
}

.book-block:hover {
    transform: scale(1.05)
}

.book-block__image {
    border-radius: 30px;
    overflow: hidden;
    position: relative;
    height: 270px
}

.book-block__image__centered-info {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    text-align: center;
    flex-direction: column;
    gap: 10px;
    padding: 10px;
    padding-bottom: 50px
}

.book-block__image__centered-info .book-block__image__title {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    top: auto
}

.book-block__image__subtitle {
    font-size: 14px;
    color: var(--base-color-16)
}

.book-block__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1
}

.book-block__image:after {
    content: '';
    background: var(--base-color-6);
    display: block;
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 2;
    opacity: .85;
    transition: opacity .2s ease
}

.book-block:hover .book-block__image:after {
    opacity: .5
}

.book-block__image__title {
    position: absolute;
    z-index: 3;
    color: var(--base-color-16);
    top: 20px;
    left: 0;
    right: 0;
    margin: 0 auto;
    text-align: center;
    font-style: normal;
    font-weight: 600;
    font-size: 20px;
    line-height: 25px;
    padding: 0 15px
}

.book-block__image__info {
    position: absolute;
    z-index: 3;
    color: var(--base-color-14);
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px
}

.book-block__image__info__type {
    display: flex;
    flex-direction: column
}

.book-block__image__info__type__text {
    font-style: normal;
    font-weight: 700;
    font-size: 15px;
    line-height: 20px;
    color: var(--base-color-16);
}

.book-block__image__info__type__year {
    color: var(--const-color-28);
    font-style: normal;
    font-weight: 700;
    font-size: 15px;
    line-height: 20px
}

.book-block__image__info__grade {
    position: relative
}

.book-block__image__info__grade__text {
    font-style: normal;
    font-weight: 700;
    font-size: 55px;
    line-height: 75px;
    color: var(--const-color-28);
    margin-right: 20px
}

.book-block__image__info__grade__subtext {
    display: block;
    transform: rotate(-90deg);
    font-style: normal;
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    left: auto;
    right: -35px;
    margin: auto;
    font-style: normal;
    font-weight: 700;
    font-size: 11px;
    line-height: 15px;
    color: var(--base-color-16);
}

.book-block__content__author {
    text-align: center;
    text-decoration: none !important;
    padding: 15px;
    padding-bottom: 0;
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 18px;
    color: var(--base-color-2)
}

.book-block--more__text {
    border-radius: inherit;
    height: 270px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 20px;
    font-style: normal;
    font-weight: 600;
    font-size: 18px;
    line-height: 22px;
    color: var(--base-color-16);
    padding-top: 100px
}

.btn {
    background: var(--base-color-6);
    border: 0;
    outline: 0;
    color: var(--base-color-16);
    border-radius: 16px;
    font-style: normal;
    font-weight: 500;
    font-size: 18px;
    line-height: 30px;
    padding: 8px 25px;
    cursor: pointer;
    transition: background .2s ease;
    display: flex;
    gap: 10px;
    width: auto;
    align-items: center;
    justify-content: center;
    text-decoration: none !important;
    outline: none;
}

.btn--tab {
    background: var(--base-color-14);
    color: var(--base-color-1);
}

.btn--tab.active,
.btn--tab:hover {
    background: var(--base-color-6);
    color: var(--base-color-16)
}

.btn-big {
    padding: 15px 40px
}

.btn-pink {
    background: linear-gradient(47.88deg, var(--const-color-29) 19.55%, #F41E54 102.56%) !important;
    transition: opacity .2s ease
}

.btn-white svg {
    fill: var(--base-color-11) !important;
    transition: fill .2s ease
}

.btn-white:hover svg {
    fill: var(--base-color-14) !important
}

.btn-pink:hover {
    opacity: .8
}

.btn-pink svg {
    fill: var(--base-color-14) !important;
}

.btn svg {
    fill: var(--base-color-16);
}

.btn-width {
    width: 100%
}

.btn-show-more-books,
.btn-show-more-subjects {
    margin-top: 15px;
    padding: 20px 25px
}

.icon-block {
    background: var(--base-color-14);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    text-align: center;
    border-radius: 25px;
    padding: 30px 25px
}

.icon-block__title {
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    text-align: center
}

.icon-block__icon {
    width: 35px
}

.info-block {
    border-radius: 25px;
    padding: 35px 25px;
    display: flex;
    flex-direction: row;
    gap: 30px;
    align-items: center;
    color: var(--base-color-16);
    height: 100%;
    transition: color 0.2s ease, background 0.2s ease;
}

.info-block__info__title {
    font-style: normal;
    font-weight: 700;
    font-size: 28px;
    line-height: 38px
}

.info-block__info {
    display: flex;
    flex-direction: column;
    gap: 10px
}

.info-block__info__text {
    font-style: normal;
    font-weight: 400;
    font-size: 18px;
    line-height: 22px
}

.about-image {
    width: 100%;
    height: 100%;
    object-fit: contain
}

.comments-block {
    background: var(--base-color-14);
    border-radius: 25px;
    padding: 28px 38px;
    display: flex;
    flex-direction: column;
    gap: 12px
}

.comments-block__top__name {
    font-style: normal;
    font-weight: 700;
    font-size: 22px;
    line-height: 30px;
    color: var(--base-color-15)
}

.comments-block__content {
    font-style: normal;
    font-weight: 400;
    font-size: 18px;
    line-height: 22px
}

.comments-block__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px
}

.comments-block__bottom__subject {
    font-style: normal;
    font-weight: 800;
    font-size: 16px;
    line-height: 20px
}

.comments-block__bottom__rating {
    display: flex;
    gap: 10px;
    align-items: center
}

.comments-block__bottom__rating__text {
    font-style: normal;
    font-weight: 800;
    font-size: 16px;
    line-height: 20px
}

.comments-block__bottom__rating__icon {
    width: 18px;
    position: relative;
    top: -2px
}

.footer {
    margin-top: 40px
}

.footer__logo {
    max-width: 210px;
    width: 100%;
    display: block
}

.footer__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain
}

.footer__items {
    display: flex;
    gap: 30px;
    align-items: center;
    justify-content: space-around
}

.footer__social-networks {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 5px
}

.footer__social-networks-item {
    width: 40px;
    height: 40px;
    display: flex;
    border: var(--base-color-14) 1px solid;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-radius: 10px;
    transition: background .2s ease, border .2s ease
}

.footer__social-networks-item:hover {
    background: var(--base-color-12);
    border: var(--base-color-12) 1px solid
}

.footer__social-networks-item__icon {
    transition: filter .2s ease
}

.footer__social-networks-item:hover .footer__social-networks-item__icon {
    filter: brightness(0) invert(1)
}

.btn.btn-white {
    background: var(--base-color-14)
}

.btn:hover {
    background: var(--base-color-12)
}

.background-red {
    background: url(../img/bg-waves-red.svg) center center no-repeat, var(--const-color-29);
    background-size: cover;
}

.background-green {
    background: url(../img/bg-waves-green.svg) center center no-repeat, var(--const-color-12);
    background-size: cover;
}

.background-violet {
    background: url(../img/bg-waves-violet.svg) center center no-repeat, var(--const-color-32);
    background-size: cover;
}

.background-yellow {
    background: url(../img/bg-waves-yellow.svg) center center no-repeat, var(--const-color-31);
    background-size: cover;
}

.background-orange {
    background: url(../img/bg-waves-orange.svg) center center no-repeat, var(--const-color-33);
    background-size: cover;
}

.background-pink {
    background: url(../img/bg-waves-pink.svg) center center no-repeat, var(--const-color-34);
    background-size: cover;
}

.background-blue {
    background: url(../img/bg-waves-blue.svg) center center no-repeat, var(--const-color-30);
    background-size: cover;
}

.background-cyan {
    background: url(../img/bg-waves-cyan.svg) center center no-repeat, var(--const-color-23);
    background-size: cover;
}

.background-purple {
    background: url(../img/bg-waves-purple.svg) center center no-repeat, var(--const-color-35);
    background-size: cover;
}

.btn-white {
    background: var(--base-color-14);
    color: var(--base-color-1)
}

.btn-white:hover {
    background: var(--base-color-12);
    color: var(--base-color-14)
}

.margin-top {
    margin-top: 30px
}

.margin-bottom {
    margin-bottom: 30px;
}

.text-right {
    text-align: right
}

.text-center {
    text-align: center
}

.nopadding {
    padding: 0 !important
}

.show-mobile {
    display: none
}

.show-tablet {
    display: none
}

.block-404 {
    margin: 0 auto;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    align-items: center;
    text-align: center
}

.block-404__image {
    width: 100%;
    object-fit: contain;
    pointer-events: none
}

.block-404__title {
    font-style: normal;
    font-weight: 700;
    font-size: 44px;
    line-height: 60px
}

.block-404__caption {
    margin-bottom: 40px;
    font-style: normal;
    font-weight: 500;
    font-size: 25px;
    line-height: 30px;
    text-align: center
}

main ol,
main ul {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 15px;
    width: 100%;
    padding: 0
}

main ol:not(:last-child),
main ul:not(:last-child) {
    margin-bottom: 20px
}

main ol {
    counter-reset: item
}

main ol li {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 19px
}

main ol li::before {
    counter-increment: item;
    content: counter(item);
    color: var(--base-color-14);
    background: var(--base-color-13);
    border-radius: 5px;
    padding: 5px 10px
}

main ul {
    list-style: none
}

main ul li {
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 19px;
    position: relative;
    display: flex;
    gap: 10px;
    align-items: flex-start
}

main ul li:before {
    content: "";
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 360px;
    background: var(--base-color-13);
    position: relative;
    top: 6px
}

hr {
    border: 0;
    height: 1px;
    background: var(--base-color-10);
    color: var(--base-color-10);
    margin: 20px 0;
    opacity: .4
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 10px;
    font-style: normal;
    font-weight: 300;
    font-size: 16px;
    line-height: 30px;
    margin-bottom: 20px;
    flex-wrap: wrap
}

.breadcrumbs-item {
    display: flex;
    align-items: center;
    gap: 10px
}

.breadcrumbs-item:not(:last-child)::after {
    content: "";
    display: block;
    width: 10px;
    height: 10px;
    background: url('data:image/svg+xml,<svg width="4" height="4" viewBox="0 0 4 4" fill="none" xmlns="http://www.w3.org/2000/svg"><path fill-rule="evenodd" clip-rule="evenodd" d="M1.99999 4H0.181848C0.108395 4 0.0420338 3.95564 0.0138525 3.88782C-0.0143287 3.81982 0.00130646 3.74164 0.0533054 3.68964L1.74291 2L0.0533054 0.310364C0.00130646 0.258364 -0.0143287 0.180182 0.0138525 0.112182C0.0420338 0.0443637 0.108395 0 0.181848 0H1.99999C2.04818 0 2.09454 0.0190908 2.12854 0.0532726L3.94668 1.87145C4.01777 1.94236 4.01777 2.05764 3.94668 2.12855L2.12854 3.94673C2.09454 3.98091 2.04818 4 1.99999 4Z" fill="%23FD4272"/></svg>') center no-repeat no-repeat;
    transform: scale(1.6);
    position: relative;
    top: 1px
}

big {
    font-weight: 500;
    line-height: 1.35em
}

.contact-block {
    background: var(--base-color-14);
    border-radius: 15px;
    padding: 30px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.contact-block__title {
    font-weight: 700
}

.contact-block__icon {
    width: 26px
}

.ya-share2__item:before {
    display: none
}

.ya-share2__icon {
    filter: invert(13%) sepia(63%) saturate(7068%) hue-rotate(334deg) brightness(109%) contrast(110%)
}

.section--tabs .tab-content {
    display: none
}

.section--tabs .tab-content.active {
    display: block
}

#block_search_results {
    display: none
}

.col:has(.subject-block) {
    flex: 100% !important;
    max-width: 20%;
}

.block {
    background: var(--base-color-14);
    border-radius: 25px;
    padding: 30px;
    transition: background 0.2s ease, color 0.2s ease;
}

.block .grade-block {
    background: var(--base-color-3)
}

.block__title {
    display: block;
    margin-bottom: 20px;
    font-style: normal;
    font-weight: 600;
    font-size: 18px;
    line-height: 22px
}

.table-items-block {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
    position: sticky;
    top: 0px;
}

.table-items-block-item {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: space-between;
    background: var(--base-color-14);
    padding: 15px 25px;
    border-radius: 16px;
    font-style: normal;
    font-weight: 400;
    font-size: 16px;
    line-height: 22px;
    transition: color 0.2s ease, background 0.2s ease;
}

.table-items-block-item__key {
    font-weight: bold;
    color: var(--base-color-15);
}

.answer-block {
    margin-bottom: 25px;
    background: var(--base-color-14);
    border: var(--base-color-6) 2px solid;
    border-radius: 16px;
    padding: 22px 34px;
    position: relative;
    margin-top: 60px;
    border-top-left-radius: 0px;
}

.answer-block__title {
    border: var(--base-color-6) 2px solid;
    position: absolute;
    display: flex;
    padding: 10px 22px;
    top: 0px;
    left: -2px;
    border-bottom: 0px;
    transform: translateY(-100%);
    pointer-events: none;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
    border-bottom-left-radius: 0px;
    border-bottom-right-radius: 0px;
    background: var(--base-color-14);
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    line-height: 25px;
    color: var(--base-color-6);
}

.text-right .simple-block {
    justify-content: flex-end;
}

.simple-block {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.simple-block__title {
    font-style: normal;
    font-weight: 700;
    font-size: 18px;
    line-height: 24px;
}

.section__title--inline {
    justify-content: flex-start;
    flex-wrap: wrap;
}

.title__search-form {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    background: var(--base-color-3);
    border: var(--base-color-14) 2px solid;
    padding: 5px;
    border-radius: 8px;
    flex-wrap: nowrap;
    gap: 10px;
    flex: 1;
}

.title__search-form__input {
    flex: 1;
    border: 0;
    outline: 0;
    font-style: normal;
    font-weight: 400;
    font-size: 14px;
    line-height: 30px;
    background: none;
    width: 100%;
    color: var(--base-color-1);
}

.title__search-form__icon {
    margin-left: 16px;
    pointer-events: none;
    width: 21px
}

.buttons-group {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.section__message {
    margin-bottom: 30px;
}

.simple-block__content .post-ratings br {
    display: none;
}

.simple-block__content .post-ratings-text {
    margin-left: 10px;
}

.simple-block__content .post-ratings {
    position: relative;
}

.post-ratings-loading {
    position: absolute;
    top: 0px;
    bottom: 0px;

}

.simple-block__content {
    position: relative;
}

.simple-block__content:has(.post-ratings) {
    position: relative;
    top: 1px;
}

.task-image {
    max-width: 800px;
    margin: 20px auto;
    display: block;
    border-radius: 16px;
    padding: 10px;
    box-sizing: border-box;
    background: var(--base-color-3)
}

.header__dark-mode-toggler {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0px;
    width: 100%;
    height: 56px;
    position: relative;
}

.header__dark-mode-toggler__icon {
    width: 42px;
    position: absolute;
    left: 0px;
    right: 0px;
    bottom: 0px;
    top: 0px;
    margin: auto auto;
    opacity: 0;
    transition: opacity 0.2s ease;
}

body.dark-mode .header__dark-mode-toggler__icon--light {
    opacity: 1;
}

body:not(.dark-mode) .header__dark-mode-toggler__icon--dark {
    opacity: 1;
}

@media screen and (max-width: 1280px) {
    .col:has(.subject-block) {
        flex: 100% !important;
        max-width: 25%;
    }
}

@media screen and (max-width: 991px) {
    .col:has(.subject-block) {
        flex: 100% !important;
        max-width: 33.33%;
    }

    .buttons-group {
        width: 100%;
    }

    .title__search-form {
        width: 100%;
        flex: auto;
    }

    .section__title--inline .section__title__text {
        width: 100%;
    }

    .section__title--inline {
        flex-wrap: wrap;
    }

    .hide-tablet {
        display: none
    }

    .show-tablet {
        display: block
    }

    .about-image {
        max-width: 350px;
        margin: 0 auto;
        margin-top: 20px
    }

    .footer__items {
        flex-direction: column-reverse;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 10px
    }

    .footer__social-networks {
        display: grid;
        grid-template-columns: 1fr 1fr
    }

    .footer__social-networks-item {
        width: 100%;
        min-width: 40px
    }
}

@media screen and (max-width: 767px) {
    .jumbotron {
        text-align: center;
        padding: 25px;
    }

    .jumbotron__tip {
        text-align: center;
        justify-content: center;
    }

    .row.margin-bottom,
    .row.margin-top {
        margin: 0px;
    }

    .col:has(.subject-block) {
        flex: 100% !important;
        max-width: 50% !important;
    }

    .text-right .simple-block {
        justify-content: flex-start;
    }

    .text-right {
        text-align: left;
    }

    .block-rating {
        margin-bottom: 15px;
    }

    .book-block {
        height: auto
    }

    .book-block__image {
        height: auto
    }

    .contact-block {
        flex-direction: column;
        margin-bottom: 20px;
        height: auto
    }

    .hide-mobile {
        display: none
    }

    .show-mobile {
        display: block
    }

    .col:has(.subject-block) {
        flex: 100% !important;
        max-width: 100%;
    }

    .block-404__title {
        font-style: normal;
        font-weight: 700;
        font-size: 26px;
        line-height: 35px;
        text-align: center
    }

    .block-404__caption {
        font-style: normal;
        font-weight: 500;
        font-size: 16px;
        line-height: 19px;
        text-align: center;
        margin-bottom: 20px
    }

    .info-block {
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
    }

    .section__title {
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }

    .section__title__link {
        justify-content: flex-start !important
    }

    .section__title__link .btn {
        justify-content: flex-start !important;
    }
}

@media screen and (max-width: 500px) {
    .col:has(.subject-block) {
        flex: 100% !important;
        max-width: 100% !important;
    }
}

body.no-transition,
body.no-transition * {
    transition: none !important;
}

.ask_question p {
    margin: 0px;
}

.super-select {
    width: 100%;
    border-radius: 12px;
    background: url(../img/icons/more-s-icon.svg) right 20px center no-repeat, rgb(255, 255, 255);
    border: none;
    color: #000;
    font-family: Nunito;
    font-size: 16px;
    font-weight: 500;
    text-align: left;
    outline: 0px;
    padding: 15px 15px;
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    border: #fff 1px solid;
}

.dark_mode .super-select {
    border: 1px solid rgb(96, 105, 255);
    background: url(../img/icons/more-s-icon.svg) right 20px center no-repeat, transparent;
    color: rgb(255, 255, 255);
}

.dark_mode .super-select option {
    background: #fff;
    color: #000
}

.super-select[disabled] {
    cursor: default
}

.super-select option {
    padding: 10px 15px;
    padding: 15px;
}