@media screen and (min-width: 2000px) {
    .item-page-basic {
        width: 1700px
    }
}

html {
    scroll-behavior: smooth;
}

.not-show {
    display: none;
}

.facultet-logo {
    position: absolute;
    right: 0;
    transform: translate(50%, 0);
    filter: alpha(Opacity=10);
    opacity: 0.1;
    width: 800px;
}

.material-with-menu {
    position: relative;
    width: 1650px;
    margin: 0 auto;
}

.mtf-material-title {
    font-family: 'Gilroy';
    color: #596880;
    font-style: normal;
    font-weight: 800;
    font-size: 90px;
    line-height: 112px;
    margin: 70px 0;
}
.mtf-material-title strong{
  	line-height: inherit;
    font-weight: inherit;
}

.material-menu {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 250px;
    font-weight: 400;
    font-size: 16px;
    text-transform: uppercase;
    margin-top: 90px;
    top: var(--size-mt);
    position: sticky;
}

.material-menu a {
    margin-bottom: 10px;
    border: none;
}

.material-content-with-menu {
    display: flex;
    justify-content: space-between;
}

.material-content {
    width: 1300px;
}

.title-image {
    width: 100%;
    margin-bottom: 60px;
}

.about-facult-title-text p {
    padding-bottom: 0;
    font-size: 1.5em;
    line-height: 165%;
}

.about-facult-title-text {
    margin-bottom: 60px;
}

#content .about-facult-title-text p{
  	margin: 0;
}

.about-facult-text p {
    font-size: 1.5em;
    line-height: 165%;
}

.material-with-menu section {
    margin-bottom: 180px;
}

.block-vertical-column {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-left: -50px;
    margin-right: -50px;
}

.block-vertical-column img,
.block-vertical-column .column {
    margin: 0 50px;
}

.block-vertical-column img{
width: 390px;
}

.block-vertical-column .column {
    width: 100%;
}

#content .material-with-menu h3 {
    margin-top: 0;
    font-size: 50px;
    margin-bottom: 52px;
}

.material-with-menu ul {
    padding-left: 0;
}

.list-style.material-list li {
    font-size: 18px;
    line-height: 165%;
    margin-bottom: 24px;
    margin-right: 0px;
}

.list-style.material-list li:before {
    content: "/";
    font-size: 22px;
    color: #909090;
    font-weight: 600;
    margin-right: 5px;
}

.prepods-block {
    display: flex;
    justify-content: space-between;
}

.sticky {
	position: fixed;
	top: 50px;
	margin-top: 0;
}

.prepod-block {
    width: 230px;
  	display: flex;
    flex-direction: column;
}

.prepod-block img {
    width: 100%;
    min-width: 230px;
    margin-bottom: 14px;
}

.prepod-block h4 {
    font-weight: 800;
    font-size: 24px;
    line-height: 30px;
      
}

.prepod-block p {
    font-size: 16px;
    line-height: 20px;
}

.arrow-button {
    position: relative;
    height: 24px;
    border-bottom: 1px solid;
}

.arrow-for-button {
    transition: 0.5s;
    position: relative;
    width: 20px;
    height: 20px;
    border-right: 1px solid;
    border-bottom: 1px solid;
    margin-left: 12px;
}

.arrow-for-button:after {
    content: "";
    position: absolute;
    width: 130%;
    height: 130%;
    transform: rotate(45deg);
    border-bottom: 1px solid;
    bottom: -1px;
    right: 0px;
    transform-origin: right bottom;
}

.arrow-for-button.isShow {
    transform: rotate(-90deg);
}

.button-more-information {
    display: flex;
    align-items: flex-end;
    text-transform: uppercase;
    cursor: pointer;
  	margin-top: auto;
}

#prepod-information {
    max-width: 1035px;
    font-size: 18.5px;
    line-height: 165%;
    margin-top: 52px;
}

.student-block {
    display: flex;
    margin: 52px -50px 80px -50px;
    align-items: flex-start;
}

.student-block-information,
.student-block img {
    margin: 0 50px;
}

.student-block-information{
width: 100%;
}

.student-block img {
    width: 230px;
      min-width: 230px;
}

.student-block.right {
    flex-direction: row-reverse;
}

.student-block p,
.student-block h4 {
    font-family: 'Montserrat';
    font-size: 22px;
    line-height: 135%;
}

.student-block h4 {
    padding-bottom: 20px;
}

.contacts p {
    font-size: 18px;
    line-height: 165%;
}

.contacts .contact {
    font-size: 24px;
}

.tab1 .tab1,
	.tab2 .tab2,
	.tab3 .tab3,
	.tab4 .tab4 {
		display: block;
	}

	.tab1 .tab1.block-vertical-column,
	.tab2 .tab2.block-vertical-column,
	.tab3 .tab3.block-vertical-column,
	.tab4 .tab4.block-vertical-column {
		display: flex;
	}

	.tabs-container {
		display: flex;
		padding-bottom: 15px;
	}

	.tabs-container * {
		color: #596880;
      	padding: 0;
	}

	.tabs {
		display: flex;
		flex-direction: column;
	}

	.tabs p {
		order: 2;
		padding: 0;
		margin-left: 10px;
      	cursor: pointer;
      	text-align: start;
	}

	.tabs p a {
		border: none;
	}

	.tabs-container-name {
		font-weight: 900;
	}

	.tabs .active {
		order: 1;
		font-weight: 900;
	}

	.tabs:first-child {
		order: 0;
	}

@media screen and (max-width: 1999px) {
    .material-with-menu {
        width: 1560px;
    }

    .material-content {
        width: 1200px;
    }
}

@media screen and (max-width: 1919px) {
    .material-with-menu {
        width: 1300px;
    }

    .material-content {
        width: 1036px;
    }

    .mtf-material-title {
        font-size: 72px;
        line-height: 90px;
    }

    .material-menu {
        font-size: 14px;
    }

    .about-facult-title-text p {
        font-size: 24px;
    }

    .about-facult-text p {
        font-size: 20px;
    }

    #content #content  {
        font-size: 50px;
        margin-bottom: 40px;
    }

    .list-style.material-list li {
        font-size: 16px;
        margin-bottom: 18px;
    }

    .block-vertical-column img {
        width: 310px;
    }

    .prepod-block {
        width: 180px;
    }

    .prepod-block img {
        width: 180px;
        min-width: 180px;
    }

    .arrow-button {
        font-size: 12px;
    }

    .student-block img {
        width: 180px;
        min-width: 180px;
    }

    .student-block p,
    .student-block h4 {
        font-size: 16px;
    }

    .contacts p {
        font-size: 16px;
    }
}

@media screen and (max-width: 1599px) {
    .facultet-logo {
        width: 600px;
    }

    .material-with-menu {
        width: 1150px;
    }

    .material-content {
        width: 900px;
    }

    .prepod-block {
        width: 150px;
          margin-bottom: 10px;
    }

    .prepod-block img {
        width: 150px;
        min-width: 150px;
    }

    .arrow-button {
        font-size: 10px;
    }
}

@media screen and (max-width: 1439px) {

    .material-with-menu,
    .material-content {
        width: 620px;
    }

    .facultet-logo {
        display: none;
    }

    .material-with-menu section {
        margin-bottom: 76px;
    }

    .block-vertical-column {
        margin-left: -15px;
        margin-right: -15px;
    }

    .block-vertical-column img,
    .block-vertical-column .column {
        margin: 0 15px;
    }

    .block-vertical-column.with-img {
        position: relative;
        padding-top: 72px;
    }

    .block-vertical-column.with-img .column h3 {
        position: absolute;
        top: 0;
        left: 15px;
        width: 100%;
    }

    .mtf-material-title,
    .mtf-material-title strong {
        font-size: 40px;
        line-height: 115%;
        text-align: center;
        margin: 22px 0;
    }

    .title-image {
        margin-bottom: 22px;
    }

    .material-menu {
        display: none;
    }

    .about-facult-title-text p {
        font-size: 14px;
    }

    .about-facult-text p {
        font-size: 14px;
    }

    #content .material-with-menu h3 {
        font-size: 36px;
        margin-bottom: 22px;
        text-align: center;
    }

    .list-style.material-list li {
        font-size: 14px;
        margin-bottom: 16px;
    }

    .block-vertical-column img {
        width: 280px;
    }

    .prepod-block {
        width: 100px;
    }

    .prepod-block img {
        width: 100px;
        min-width: 100px;
    }

    .prepod-block h4 {
        font-size: 14px;
        line-height: 18px;
    }

    .prepod-block p {
        font-size: 9px;
        line-height: 12px;
    }

    #prepod-information {
        margin-top: 40px;
    }

    .button-more-information {
        font-size: 7px;
        line-height: 10px;
    }

    .arrow-button {
        font-size: 7px;
        height: 10px;
          line-height: 10px;
    }

    .arrow-for-button {
        width: 10px;
        height: 10px;
        margin-left: 8px;
    }

    .arrow-for-button:after {
        bottom: 0;
        right: 0;
    }

    .student-block {
        margin: 40px -20px 80px -20px;
    }

    .student-block-information,
    .student-block img {
        margin: 0 20px;
    }

    .student-block p {
        font-size: 12px;
        padding-bottom: 8px;
    }

    .student-block h4 {
        font-size: 14px;
        padding-bottom: 5px;
    }

    .contacts p {
        font-size: 12px;
    }

    .contacts .contact {
        font-size: 14px;
    }
  
  	.tabs-container {
    	justify-content: center;
	}
}

@media screen and (max-width: 1199px){
  	.tabs-container p {
    	width: auto;
	}
}

@media screen and (max-width: 699px) {

    .material-with-menu,
    .material-content {
        width: 100%;
    }

    .material-with-menu section {
        margin-bottom: 64px;
    }

    .block-vertical-column {
        margin-left: 0px;
        margin-right: 0px;
    }

    .block-vertical-column img,
    .block-vertical-column .column {
        margin: 0;
    }

    .block-vertical-column.with-img {
        position: relative;
        padding-top: 72px;
    }

    .block-vertical-column.with-img .column h3 {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
    }

    .mtf-material-title,
    .mtf-material-title strong {
        font-size: 20px;
        line-height: 115%;
        text-align: center;
        margin: 20px 0;
    }

    .title-image {
        margin-bottom: 20px;
    }

    .about-facult-title-text {
        margin-bottom: 20px;
    }

    .about-facult-title-text p {
        font-size: 12px;
    }

    .about-facult-text p {
        font-size: 12px;
    }

    #content .material-with-menu h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }

    .list-style.material-list li {
        font-size: 12px;
        margin-bottom: 14px;
    }

    .block-vertical-column {
        flex-direction: column;
    }

    .block-vertical-column.top {
        flex-direction: column-reverse;
    }

    .block-vertical-column img {
        width: 100%;
    }

    .prepods-block {
        overflow-x: scroll;
      	margin: 0 calc(-1 * var(--size-lr));
   	 	padding: 0 var(--size-lr);
    }

    .prepod-block,
    .student-block img {
        min-width: 100px;
        margin-right: 16px;
    }

    #prepod-information {
        margin-top: 20px;
        font-size: 12px;
    }

    .student-block {
        margin: 40px -20px 80px -20px;
    }

    .student-block-information,
    .student-block img {
        margin: 0 20px;
    }

    .student-block p {
        font-size: 12px;
        padding-bottom: 8px;
    }

    .student-block h4 {
        font-size: 14px;
        padding-bottom: 5px;
    }

    .contacts p {
        font-size: 12px;
        text-align: center;
    }

    .contacts .contact {
        font-size: 14px;
        text-align: center;
    }

    .student-block {
        position: relative;
    }

    .student-block img {
        position: absolute;
        top: 0;
        left: 0;
    }

    .student-block img {
        width: 100px;
    }

    .student-block.right img {
        left: auto;
        right: 0;
    }

    .student-block-information .name {
        position: absolute;
        top: 0;
        left: 140px;
    }

    .student-block-information .name h4 {
        width: 20px;
    }

    .student-block-information .name p {
        max-width: 130px;
        font-size: 9px;
    }

    .student-block.right .student-block-information .name {
        left: 20px;
    }

    .student-block-information .text {
        margin-top: 150px;
    }
}