:root {



  --color-primary: #27324a;



  --color-dark: #262828;



  --color-blue: #3f95c8;



  --color-orange: #ff8200;



  --color-gray-white: #F1F5F9;



  --color-red: #ec1b28;



  --container-width: 1680px;



  --linear-gradient: linear-gradient(90deg, #a1d9ec, #ffffff);



}







@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-ThinItalic.ttf') format('truetype');



  font-style: italic;

  font-weight: 100;



}





@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-Thin.ttf') format('truetype');



  font-style: normal;

  font-weight: 100;



}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-ExtraLight.ttf') format('truetype');



  font-style: normal;

  font-weight: 200;



}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-Light.ttf') format('truetype');

  font-style: normal;

  font-weight: 300;



}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-LightItalic.ttf') format('truetype');

  font-style: italic;

  font-weight: 300;

}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-Regular.ttf') format('truetype');

  font-style: normal;

  font-weight: 400;

}





@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-ExtraLightItalic.ttf') format('truetype');

  font-style: italic;

  font-weight: 200;

}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-Medium.ttf') format('truetype');

  font-style: normal;

  font-weight: 500;

}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-MediumItalic.ttf') format('truetype');

  font-style: italic;

  font-weight: 500;

}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-SemiBold.ttf') format('truetype');

  font-style: normal;

  font-weight: 600;

}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-SemiBoldItalic.ttf') format('truetype');

  font-style: italic;

  font-weight: 600;

}





@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-Bold.ttf') format('truetype');

  font-style: normal;

  font-weight: 700;

}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-BoldItalic.ttf') format('truetype');

  font-style: italic;

  font-weight: 700;

}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-ExtraBold-1.ttf') format('truetype');

  font-style: normal;

  font-weight: 800;

}



@font-face {



  font-family: 'Poppins vie';



  src: url('../fonts/PoppinsVie/FZ-Poppins-ExtraBoldItalic.ttf') format('truetype');

  font-style: italic;

  font-weight: 800;

}



@font-face {

  font-family: 'Poppins vie';

  font-style: normal;

  font-weight: 900;

  src: url('../fonts/PoppinsVie/2025/01/FZ-Poppins-Black.ttf') format('truetype');

}



@font-face {

  font-family: 'Poppins vie';

  font-style: italic;

  font-weight: 900;

  src: url('../fonts/PoppinsVie/FZ-Poppins-BlackItalic.ttf') format('truetype');

}







body {



  font-family: "Montserrat";

  color: #222;



}



html {

  scroll-behavior: smooth;

}







a,



button {



  -webkit-transition: all 0.3s linear;



  -o-transition: all 0.3s linear;



  transition: all 0.3s linear;



}







.btn:focus {



  box-shadow: none;



}







ul,



ol {



  padding: 0;



  margin: 0;



  list-style: none;



}







a {



  text-decoration: none;



  color: #333;



}







/* .container {



  max-width: var(--container-width);





} */







img {



  width: 100%;



  height: 100%;



}







.section {



  padding: 2rem 0;



}



header {

  background-color: transparent;

  position: relative;

}



header.site-header {

  width: 100%;

  transition: all 0.4s ease;

  z-index: 999;

}



header.site-header.fixed {

  position: fixed;

  top: -100px;

  left: 0;

  right: 0;

  background-color: #ffffffeb;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);

  animation: slideDown 0.4s forwards;



}



header.site-header.fixed .header-wapper {

  position: unset;

  padding: 0.5rem 0;

}



header.fixed #mainnav ul li a {

  color: var(--color-blue);

}



header.fixed .header-wapper .b-logo {

  width: 48px;

  transition: width 0.4s ease;

}



header.fixed .b-logo img {

  filter: unset;

}



@keyframes slideDown {

  from {

    top: -100px;

  }



  to {

    top: 0;

  }

}



header .header-wapper {

  position: absolute;

  width: 100%;

  z-index: 198;

  padding: 1.5rem 0;

}



header .header-wapper .b-logo {

  width: 80px;

}



header #mainnav ul li {

  margin: 0 0.8rem;

}



header #mainnav ul li a {

  font-size: 17px;

  font-weight: 500;

  color: white;

  position: relative;

  text-transform: capitalize;

}



header #mainnav ul li a:hover {

  color: var(--color-orange);



}



header #mainnav ul li>a:before {

  content: '';

  display: block;

  position: absolute;

  bottom: 2px;

  left: 0;

  height: 2px;

  width: 100%;

  background-color: var(--color-orange);

  transform-origin: right top;

  transform: scale(0, 1);

  transition: color .1s, transform .2s ease-out;

}



header #mainnav ul li>a:hover:before {

  transform-origin: left top;

  transform: scale(1, 1);

}



header .b-btn {

  text-align: center;

}



header .b-btn a.btn {

  background: var(--linear-gradient);

  color: #5a5a5a;

  ;

  font-weight: 700;

  border-radius: 50px 50px 50px 50px;

  padding: 12px 30px 10px 30px;

  text-transform: uppercase;

  transition: all .5s ease;

  border: 1px solid #fff;

  box-shadow: rgba(14, 30, 37, 0.12) 0px 2px 4px 0px, rgba(14, 30, 37, 0.32) 0px 2px 16px 0px;

}



header .b-btn a.btn:hover {

  transform: rotate(4deg);

}



.sec-slder {

  text-align: center;

  background: var(--linear-gradient);

  transition: background 0.3s, border 0.3s, border-radius 0.3s, box-shadow 0.3s;

}



.sec-slder .slider-container {

  position: relative;

  height: 100%;

  overflow: hidden;

  background: var(--linear-gradient);

}



.sec-slder .slider {

  height: 100%;

}



.sec-slder .slide {

  height: 900px;

  background-size: cover;

  background-position: center;

}



.sec-slder .overlay {

  position: absolute;

  top: 0;

  left: 0;

  width: 100%;

  height: 100%;

  background: rgb(36 159 232 / 47%);

  display: flex;

  justify-content: center;

  align-items: center;

  z-index: 2;

}



.sec-slder .content {

  color: white;

  text-align: center;

}



.sec-slder .title {

  font-size: 75px;

  font-weight: bold;

  text-transform: uppercase;

  color: var(--color-orange);

  text-shadow: -2px -2px 0 white, 2px -2px 0 white, -2px 2px 0 white, 2px 2px 0 white;

  margin-bottom: 10px;





}



.sec-slder .slogan-wrapper {

  display: flex;

  justify-content: center;

  align-items: center;

  height: 150px;

  overflow: hidden;

  position: relative;

}



.sec-slder .slogan {

  font-size: 75px;

  font-weight: 600;

  color: var(--color-gray-white);

  border-right: 4px solid #000;

  white-space: nowrap;

  overflow: hidden;

  display: inline-block;

  animation: blink-caret step-end infinite;

}



@keyframes blink-caret {



  0%,

  100% {

    border-color: transparent;

  }



  50% {

    border-color: black;

  }

}



.sec-slder .time {

  font-size: 20px;

}



/* SVG SÓNG */

.box-svg {

  position: absolute;

  bottom: -1px;

  left: 0;

  width: 100%;

  line-height: 0;

  transform: rotate(180deg);

  direction: ltr;

  overflow: hidden;

}



.box-svg svg {

  width: calc(190% + 1.3px);

  height: 121px;

  transform: translateX(-50%) rotateY(180deg);

  position: relative;

  display: block;

  left: 50%;

}



.svgSlide {

  z-index: 5;

}



.svgSlide svg,

.svgTopic svg {

  width: 100% !important;

}



.elementor-shape-fill {

  fill: var(--color-blue);

  transform: rotateY(0deg);

  transform-origin: center;

}





header .menu-toggle,

header .side-menu {

  display: none;

}



.sec-about {

  background: var(--linear-gradient);

  transition: background 0.3s, border 0.3s, border-radius 0.3s, box-shadow 0.3s;

  padding: 40px 0px 130px 0px;

  color: #222;

  position: relative;

}



.sec-about .bcnt {

  width: 80%;

  margin: auto;

  color: #222;

}



.sec-about .bcnt h2,

.sec-about .bcnt h1,

.sec-about .bcnt h3,

.sec-about .bcnt h4 {

  text-transform: capitalize;

  margin-bottom: 2rem;

  color: var(--color-orange);

}



.sec-about .bcnt p,

.sec-about .bcnt span {

  margin-bottom: 1.5rem;

}



.sec-about .bcnt .bctt {

  display: flex;

  align-items: center;

  justify-content: center;

  gap: 15px;

}



.sec-about .bcnt .bctt .b-img {

  width: 300px;

}



.sec-about .bcnt .bctt .b-img:nth-child(2) {

  width: 165px;

}



.sec-about .bcnt .row-tt .titee {

  text-transform: uppercase;

  font-weight: bold;

  margin-bottom: 1.5rem;

}



.svg-ab svg {

  width: calc(196% + 1.3px);

  height: 77px;

  z-index: -1;

  transform: translateX(-50%);

}



.svg-ab svg .elementor-shape-fill {

  fill: #FFFFFF;

}



.sec-target .target-slider .b-img {

  height: 750px;

  object-fit: cover;

}



.sec-target .target-slider .b-img img {



  object-fit: cover;

}



.svgSlide .elementor-shape-fill,

.svgTopic .elementor-shape-fill {

  fill: url(#gradient) !important;

}



.sec-target .slick-dots li button:before {

  font-size: 16px;

  color: var(--color-blue);

}



.sec-target .slick-dots li.slick-active button {

  color: var(--color-blue);

}





.sec-value .slick-slide-box .box-item {

  padding: 20px;

}



.sec-value .slick-slide-box .box-item .icon img {

  width: 110px;

  height: auto;

  margin-bottom: 1rem;

}



.sec-value .slick-slide-box .title {

  font-weight: 800;

  font-size: 1.5rem;

  margin-bottom: 1.5rem;

  text-transform: uppercase;

  height: 50px;

}



.sec-value .slick-slide-box .title.Xanh {

  color: var(--color-blue);

}



.sec-value .slick-slide-box .title.Cam {

  color: var(--color-orange);

}



.sec-value .slick-slide-box .desc {

  font-size: 15px;

  line-height: 1.6;

  color: #222;

  text-align: justify;

}





.hero {

  background-size: cover;

  background-position: center;

  position: relative;

  display: flex;

  justify-content: center;

  align-items: center;

}



.hero .overlay {

  text-align: center;

  background: rgb(36 159 232 / 62%);

  padding: 180px 0px 180px 0px;

  width: 100%;

  height: 100%;

}



.hero h2 {

  font-size: 55px;

  font-weight: bold;

  margin-bottom: 20px;

  text-transform: uppercase;

  color: var(--color-orange);

  text-shadow: -2px -2px 0 white, 2px -2px 0 white, -2px 2px 0 white, 2px 2px 0 white;

}



.hero .b-btn .btn {

  background-color: var(--color-blue);

  color: #fff;

  border: none;

  padding: 12px 24px;

  border-radius: 25px;

  font-size: 16px;

  cursor: pointer;

  font-weight: 500;

}



.hero .subtitle {

  margin: 5rem 0;

  font-weight: 500;

  font-size: 1.3rem;

  color: white;

}



.hero .countdown {

  display: flex;

  justify-content: center;

  gap: 20px;

  flex-wrap: wrap;

}



.hero .time-box {

  background-color: var(--color-blue);

  color: white;

  padding: 20px;

  width: 155px;

  text-align: center;

  border-radius: 15px 15px 15px 15px;

  box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;

}



.hero .time-box .number {

  font-size: 55px;

  font-weight: 700;

}



.hero .time-box .label {

  font-size: 14px;

  display: block;

}



.hero .svg-top {

  top: -1px;

  bottom: unset;

  transform: unset;

}



.hero .svg-top svg {

  width: calc(185% + 1.3px);

  height: 67px;

  transform: translateX(-50%);

}



.hero .box-svg .elementor-shape-fill {

  fill: #FFFFFF;

}



.hero .svg-bottom svg {

  width: calc(284% + 1.3px);

  height: 77px;

  transform: translateX(-50%);

}



.sec-topic {

  background: var(--linear-gradient);

  position: relative;

  padding: 5rem 0;

}



.sec-topic .item {

  border: 5px solid var(--color-blue);

  padding: 40px;

  background-color: white;

  height: 332px;

  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;

}



.sec-topic .item:hover {

  transform: translateY(-8px);

  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);

  cursor: pointer;

  background-color: var(--color-blue);

}



.sec-topic .item:hover .cnt,

.sec-topic .item:hover .txt {

  color: white;

}



.sec-topic .item:hover .number {

  border-bottom: 1px solid white;

  text-shadow: -2px -2px 0 white, 2px -2px 0 white, -2px 2px 0 white, 2px 2px 0 white;

}



.sec-topic .item .number {

  font-size: 50px;

  border-bottom: 1px solid var(--color-primary);

  color: var(--color-orange);

  padding-bottom: 1rem;

  font-weight: 500;

}



.sec-topic .item .cnt {

  font-size: 1.5rem;

  font-weight: bold;

  text-transform: uppercase;

  margin-top: 1rem;

  color: var(--color-blue);

}



.svgTopic svg {

  transform: translateX(-50%) rotateY(180deg) !important;

}



.sec-programme {

  position: relative;

  background: #F0F0F0;

}



.sec-programme .nav-tabs {

  border: none;

}



.sec-programme .nav-tabs .nav-link.active {

  background-color: var(--color-blue);

  color: white !important;

  border-radius: 12px;

  border: 1px solid var(--color-blue);

}



.sec-programme .nav-tabs .nav-link.active small {

  color: var(--color-gray-white) !important;

}



.sec-programme .nav-tabs .nav-link:hover {

  transform: translateY(-8px);

  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);

  border: 1px solid var(--color-orange);

}



.sec-programme .nav-tabs .nav-link {

  border: 1px solid #dee2e6;

  border-radius: 12px;

  margin-right: 10px;

  color: var(--color-blue);

  font-weight: bold;

  text-align: left;

  padding: 20px;

  background-color: white;

  transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;

  font-size: 1.2rem;

}



.sec-programme .nav-tabs .nav-link small {

  font-size: 0.9rem;

  color: #6b7280;

  font-weight: 500;

}



.sec-programme .schedule-item {

  display: flex;

  align-items: center;

  padding: 1.5rem;

  border-bottom: 1px solid #e5e7eb;

  cursor: pointer;

  transition: all 0.3s ease;

}



.sec-programme .schedule-item:last-child {

  border-bottom: none;

}



.sec-programme .schedule-item .box-cnt {

  flex: 1;

}



.sec-programme .schedule-time i {

  color: var(--color-orange);

}



.sec-programme .schedule-time {

  background: #e9f0ff;

  color: var(--color-blue);

  padding: 6px 12px;

  border-radius: 20px;

  font-weight: 600;

  display: inline-block;

  margin-right: 15px;

}



.sec-programme .schedule-item:hover {

  transform: translateX(10px);

}



.sec-programme .schedule-box {

  background: #fff;

  border-radius: 16px;

  padding: 20px;

  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);

  margin-top: 20px;

}



.sec-programme .schedule-title {

  font-weight: 600;

}



.sec-programme .schedule-desc {

  color: #6c757d;

  margin-top: 4px;

  font-size: 15px;

}



.sec-title {

  padding: 60px 0px 120px 0px;

  position: relative;

}



.sec-title .b-title {

  text-align: center;

  color: var(--color-blue);



}



.sec-title .b-title h2 {

  font-weight: bold;

  font-size: 4rem;

  text-transform: uppercase;

}



.sec-title .b-title h2 span {

  display: block;

  color: var(--color-orange);

}



.svgChuongtrinh {

  transform: unset;

}



.svgChuongtrinh svg {

  height: 72px;

  transform: translateX(-50%) rotateY(180deg);

  width: calc(100% + 1.3px);

}



.svgChuongtrinh .elementor-shape-fill {

  fill: #F0F0F0;

}



.svgBottomChuongtrinh svg {

  width: calc(186% + 1.3px);

  height: 220px;

  z-index: -1;

  transform: translateX(-50%);

}



.svgBottomChuongtrinh .elementor-shape-fill {

  fill: #fff;

}



.sec-programme .container {

  position: relative;

  z-index: 1;

}



.btn-topic {

  background-color: #ffc107;

  color: #002d72;

  font-weight: 600;

  border-radius: 30px;

  padding: 6px 16px;

  border: none;

  transition: all 0.3s ease;

}



.btn-topic.active {

  background-color: #002d72;

  color: #fff;

}



.btn-topic:hover {

  opacity: 0.9;

}



.elementor-img {

  position: relative;

}



.secElemTop {

  top: -1px;

  bottom: unset;

}



.secElemTop svg {

  transform: translateX(-50%);

  width: calc(100% + 1.3px);

  height: auto;

}



.secElemTop .elementor-shape-fill {

  fill: #fff;

}



.elementor-img {

  background-image: url('../images/bv-1.png');

  background-position: center center;

  background-repeat: no-repeat;

  background-size: cover;

  position: relative;

  padding-top: 200px;

  height: 500px;

}



.secElemBottom {

  transform: unset;

}



.secElemBottom svg {

  width: calc(123% + 1.3px);

  height: 159px;

}



.secElemBottom .elementor-shape-fill {

  fill: var(--color-blue);

}



.section-guest-title {

  background-color: var(--color-blue);

  padding: 60px;

  position: relative;

}



.section-guest-title .b-title {

  width: 80%;

  margin: auto;

}



.section-guest-title .b-title h2 {

  font-size: 90px;

  font-weight: bold;

  margin-bottom: 1.5rem;

}



.section-guest .topic-item img {

  border-radius: 100%;

  border: 5px solid var(--color-blue);



}



.section-guest .topic-item h6 {

  font-size: 1.5rem;

  margin: 1.5rem 0;

  color: var(--color-blue);

  height: 45px;

}



.section-guest .topic-item .text-muted {

  color: #54595F;

  font-weight: 600;

  margin-top: 2rem;

}



/* CSS hiệu ứng xuất hiện */

.section-guest .topic-item-wrapper {

  opacity: 0;

  transform: translateY(20px);

  transition: all 0.5s ease;

}



.section-guest .topic-item-wrapper.show {

  opacity: 1;

  transform: translateY(0);

}



.section-guest .btn {

  padding: 10px 30px;

  background: var(--linear-gradient);

  color: #5a5a5a;

  border: none;

  font-weight: bold;

}



header .b-logo img {

  filter: brightness(0) saturate(100%) invert(100%);

}



.sec-location .b-title,

.sec-communication .b-title {

  position: relative;

  text-align: center;

  margin-bottom: 3rem;

}



.sec-location .b-title .elementor-icon--lft,

.sec-communication .b-title .elementor-icon--lft {

  width: 50px;

  position: absolute;

  top: 0;

  left: 0;

}



.sec-location .b-title .elementor-icon--rgt,

.sec-communication .b-title .elementor-icon--rgt {

  width: 50px;

  position: absolute;

  bottom: 0;

  right: 0;

}



.sec-location .b-title h2,

.sec-communication .b-title h2 {

  font-size: 62px;

  font-weight: bold;

  color: var(--color-blue);

  text-transform: uppercase;

}



.sec-location .custom-box {

  margin-top: -103px;

  overflow: hidden;

}



.sec-location .divider-arrow {

  width: 1px;

  height: 80%;

  border-right: 1px solid #ccc;

  transform: rotate(45deg);

}



.sec-location .text-vertical {

  writing-mode: vertical-rl;

  transform: rotate(180deg);

  text-align: center;

  font-size: 14px;

}



.sec-location .b-img img {

  height: 425px;

  object-fit: cover;

  border-radius: 10px;

}



.sec-location .bow-location {

  width: 80%;

  margin: auto;

}



.sec-location .bow-location .fw-bold {

  font-size: 17px;

}



.sec-location .bow-location .lft {

  text-align: right;

}



.sec-location .bow-location .lft .text-dark {

  font-family: "Big Shoulders", sans-serif;

  font-weight: 400 !important;

  font-size: 32px;

}



.sec-location .bow-location .lft .text-warning {

  color: var(--color-orange) !important;

  font-size: 38px;

}



.logo-carousel .logo-item {

  padding: 10px;

  background: #fff;

  border-radius: 10px;

  text-align: center;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);

  margin: 20px;

}



.logo-carousel .logo-item img {

  height: 150px;

  width: 200px;

  object-fit: contain;

  margin: 0 auto;

}



footer {

  background-repeat: no-repeat;

  background-size: cover;

  background-position: center;

  padding-top: 3rem;

}



footer .b-logo {

  width: 100px;

}



footer .site-slogan {

  margin-top: 1rem;

  font-weight: bold;

}



footer .title {

  font-weight: bold;

}



footer .footer-copy {

  text-align: center;

  border-top: 1px solid var(--color-blue);

  font-size: 15px;

}



#page-preloader {

  position: fixed;

  top: 0;
  left: 0;

  width: 100vw;

  height: 100vh;

  background: #fff;

  z-index: 9999;

  display: flex;

  justify-content: center;

  align-items: center;

  transition: opacity 0.5s ease, visibility 0.5s;

}



#page-preloader.hide {

  opacity: 0;

  visibility: hidden;

}



.loader-inner img {

  max-width: 150px;

  margin-bottom: 20px;

  animation: fadeInLogo 1.5s ease-in-out;

}



.spinner {

  width: 30px;

  height: 30px;

  border: 3px solid rgba(0, 0, 0, 0.1);

  border-top-color: #333;

  border-radius: 50%;

  animation: spin 1s linear infinite;

  margin: 0 auto;

}



@keyframes spin {

  to {
    transform: rotate(360deg);
  }

}



@keyframes fadeInLogo {

  0% {
    opacity: 0;
    transform: scale(0.9);
  }

  100% {
    opacity: 1;
    transform: scale(1);
  }

}

.section-guest #km-list {
  display: flex;
  flex-wrap: wrap;
  margin-left: -10px;
  margin-right: -10px;
}

.section-guest .km-item {
  width: 20%;
  /* 5 cột */
  padding: 10px;
  box-sizing: border-box;
}

@media (max-width: 991.98px) {
  .section-guest .km-item {
    width: 33.3333%;
    /* 3 cột cho tablet */
  }
}

@media (max-width: 767.98px) {
  .section-guest .km-item {
    width: 50%;
    /* 2 cột cho mobile */
  }
}


#backToTop {
  position: fixed;
  bottom: 40px;
  right: 30px;
  z-index: 999;
  background-color: var(--color-orange);
  color: white;
  border: none;
  padding: 12px 16px;
  font-size: 18px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  width: 50px;
  height: 50px;
  /* Ẩn ban đầu */

  opacity: 0;
  transform: translateY(-20px);
  transition: all 0.4s ease;
}

#backToTop.active {

  opacity: 1;
  transform: translateY(0);
}

#backToTop:hover {
  background-color: var(--color-blue);
}