@-webkit-keyframes show {
  0% {
    opacity: .2;
    -webkit-transform: scale(.5);
    transform: scale(.5);
  }
  80% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  100% {
    opacity: 1;
  }
}

@keyframes show {
  0% {
    opacity: .2;
    -webkit-transform: scale(.5);
    transform: scale(.5);
  }
  80% {
    -webkit-transform: scale(1);
    transform: scale(1);
  }
  100% {
    opacity: 1;
  }
}

@-webkit-keyframes rotate {
  from {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes rotate {
  from {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

p, ul {
  margin-bottom: 0;
}

body {
  font: 13px/1.5 Arial, Helvetica, sans-serif;
  color: #fff;
}

input:not([type="checkbox"]),
textarea  {
  -webkit-box-shadow: 0px 0px 3px 0px #94929298;
  box-shadow: 0px 0px 3px 0px #94929298;
  border: 0;
  border-radius: 5px;
  background-color: #ffffff9f;
}

input:focus {
  outline: none;
}

input::-webkit-input-placeholder {
  color: #bd3829c0;
}

input::-moz-placeholder {
  color: #bd3829c0;
}

input:-ms-input-placeholder {
  color: #bd3829c0;
}

input::-ms-input-placeholder {
  color: #bd3829c0;
}

input, input::placeholder {
  color: #bd3829c0;
}

address {
  font-style: italic;
  margin-bottom: 0;
}

.sticky {
  position: fixed;
  top: 0;
  z-index: 100;
  width: 100%;
}

a:hover, #footer a:hover {
  text-decoration: none;
  color: #fbff05;
}

.header-nav-list, #search-form, #footer-content, #contact>div, #address>div, .footer-menu {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

#social, #footer, #address, .footer-menu>div, #contact>div>div {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
}

.btn-close, .btn-login, .btn-signup, #collaspe-btn, .nav-content a, .dropdown-menu a, a:not([href]), #search-btn, .menu-item a, .sub-menu a, .menu-item a:hover, .nav-link, .nav-tabs .nav-link.active, #footer a, #contact button {
  color: #fff;
}

.sticky, .btn-login, .header-nav, .modal-header, .dropdown-menu, .menu-item a {
  background-color: #bd3829f3;
}

#search-btn, .nav-link, .nav-tabs .nav-link.active, #uni-name, #contact button {
  background-color: #3f3f3f;
}

/* 
  -----------------------------------------
    HEADER
  -----------------------------------------
  */

.banner {
  display: block;
}

#banner-img {
  top: 0;
  width: 100%;
  height: 25rem;
  -webkit-box-shadow: 0 0 5px #b3b3b3;
  box-shadow: 0 0 5px #b3b3b3;
  z-index: -10;
}

.logo {
  width: 3em;
  padding: 5px;
  border-radius: 50%;
  -webkit-animation: rotate infinite 5s linear;
  animation: rotate infinite 5s linear;
}

.banner .logo {
  animation: none;
  position: absolute;
  width: 10rem;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 1;
}

.sticky-btn {
  width: 3.5em;
  display: block;
  position: fixed;
  right: 1em;
  bottom: 4em;
  z-index: 999;
}

.fb {
  bottom: 9em;
}

.yt {
  bottom: 14em;
}

.up {
  bottom: 19em;
}

#lang-eng {
  width: 3em;
  height: 2.5em;
  padding: 5px;
}

.modal-body input {
  width: 80%;
  display: block;
  margin: 1em;
  padding: .6em;
  border: none;
  border-bottom: 1px solid #fff;
}

.modal-body input[type="checkbox"] {
  width: initial;
  display: inline;
  margin-left: 2em;
}

.modal-body label {
  color: rgb(63, 63, 63);
}

.modal-footer {
  -ms-flex-pack: distribute;
  justify-content: space-around;
}

.btn-close, .btn-signup {
  background-color: #2779a0;
}

.btn-close {
  background-color: #504f4f;
}

.header-nav {
  z-index: 100;
}

#collaspe-btn {
  background-color: transparent;
  border: none;
  font-size: 20px;
  font-weight: bold;
}

#collaspe-btn:hover {
  font-weight: bold;
}

#collaspe-btn:focus {
  outline: none;
}

#ver-nav {
  position: fixed;
  /* width: 0; */
  top: 0;
  left: 0;
  height: 100%;
  z-index: 999;
  overflow: hidden auto;
  background-color: #3f3f3fd8;
}

#ver-nav>.header-nav-list {
  width: 0;
  -webkit-transition: .5s;
  -o-transition: .5s;
  transition: .5s;
}

#nav-content-collasp {
  display: none;
}

.header-nav-list {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.nav-content {
  padding: 1em;
  font-weight: bold;
  font-size: 1em;
  text-align: center;
  display: block;
}

.nav-content a:hover, .dropdown-menu a:hover {
  color: #fbff05;
}

.dropdown-menu {
  border-radius: 0;
  min-width: 16rem;
  top: 94%;
  padding: 0;
}

.dropdown-menu a {
  display: block;
  padding: 8px 5px;
  border-bottom: 1px solid #fff;
  font-weight: normal;
}

.dropdown-menu a:hover {
  font-style: italic;
  -webkit-transition: all .3s ease-in;
  -o-transition: all .3s ease-in;
  transition: all .3s ease-in;
}

li.dropdown:hover>.dropdown-menu {
  display: block;
}

/* 
  -----------------------------------------
    MAIN
  -----------------------------------------
  */

#main {
  background-color: #ffffff;
  padding: 0 15px;
  padding-bottom: 2em;
  display: -ms-grid;
  display: grid;
  -ms-grid-columns: 1fr 3fr;
  grid-template-columns: 1fr 3fr;
  grid-template-areas: "lside rside";
}


#right-side {
  -ms-grid-row: 1;
  -ms-grid-column: 2;
  grid-area: rside;
}

#left-side {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
  grid-area: lside;
}
/* vertical menu ===============*/

/* left-side ---------------- */

#search-form {
  margin: 2em 5px 15px 15px;
}

#search-box {
  -webkit-box-flex: 5;
  -ms-flex-positive: 5;
  flex-grow: 5;
  padding: 4px 0 4px 1em;
  margin-right: .5em;
  border-radius: 5px;
}

#search-btn {
  -webkit-box-flex: 3;
  -ms-flex-positive: 3;
  flex-grow: 3;
  display: block;
  padding-top: 4px;
  text-align: center;
  border-radius: 5px;
  margin-right: 10px;
}

#search-btn:hover {
  -webkit-transform: scale(0.9);
  -ms-transform: scale(0.9);
  transform: scale(0.9);
  -webkit-transition: .2s;
  -o-transition: .2s;
  transition: .2s;
}

/* menu -----------------*/

.menu-item a {
  display: block;
  width: 90%;
  padding: 10px 0;
  margin: auto;
  text-align: center;
  font-weight: bold;
  -webkit-box-shadow: -5px 5px #3f3f3fd3;
  box-shadow: -5px 5px #3f3f3fd3;
}

.sub-menu a:hover, .menu-item a:hover {
  background-color: #3f3f3fd3;
}

.sub-menu a {
  background-color: #3f3f3fe3;
}

.ads, .video {
  position: relative;
  width: 100%;
}

.left-side-img, #youtube-video {
  width: 90%;
  display: block;
  margin: 1.5em auto;
}

.ads .left-side-img {
  -webkit-animation: rotate 60s linear infinite;
  animation: rotate 60s linear infinite;
}

.play-video {
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  font-size: 16px;
  cursor: pointer;
}

.tamgiac {
  width: 0;
  height: 0;
  border-top: 25px solid transparent;
  border-left: 50px solid #3f3f3fda;
  border-bottom: 25px solid transparent;
}

.tamgiac:hover {
  border-left: 50px solid #585858da;
}

/* right-side===================== */

#right-side {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
}

#right-side-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  background: #bd3829;
  background: -moz-linear-gradient(-45deg, #bd3829 0%, #bd3829 50%, #3f3f3f 50%, #3f3f3f 100%);
  background: -webkit-linear-gradient(-45deg, #bd3829 0%, #bd3829 50%, #3f3f3f 50%, #3f3f3f 100%);
  background: linear-gradient(135deg, #bd3829 0%, #bd3829 50%, #3f3f3f 50%, #3f3f3f 100%);
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#bd3829', endColorstr='#3f3f3f', GradientType=1);
  border-radius: 4px 4px 0 0;
  padding: 0 15px;
  margin-top: 25px;
}

#time, #right-side-title {
  width: 50%;
  font-size: 1rem;
  text-transform: uppercase;
  font-weight: 900;
}

#time {
  text-align: right;
}

.news-box {
  color: rgba(0, 0, 0, 0.815);
  width: 100%;
  display: block;
  height: 250px;
  box-shadow: 0 0 5px#3f3f3f8c;
  padding: 10px 15px;
  margin: 20px auto;
}

.news-box-header {
  font-size: 1.3rem;
  font-weight: bold;
}

aside {
  margin: 5px 0 10px 10px;
}

aside>span {
  margin: 0 5px;
}

.news-box-main {
  display: flex;
}

.news-img {
  width: 25%;
  height: 150px;
}

.news-content {
  padding-left: 15px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
}

.news-content a {
  padding: 10px 15px;
  color: #fff;
  background-color: #bd3829;
}

.news-content a:hover {
  background-color: #bd3829f3;
}

.page {
  display: block;
  margin: 0 auto;
}

.page a {
  margin: 0 3px;
  padding: 5px 10px;
  color: #fff;
  display: inline-block;
  background-color: #3f3f3f;
}

.page a:hover {
  background-color: #3f3f3fd8;
}

.page-active {
  background-color: #bd3829 !important;
}

.page a:first-child:hover {
  transform: translateX(-10px);
  transition: .5s ease-out;
}

.page a:last-child:hover {
  transform: translateX(10px);
  transition: .5s ease-out;
}
/* 
  -----------------------------------------
    FOOTER
  -----------------------------------------
  */

  #footer {
    background-image: url(../Image/background.png);
    background-size: 20%;
    background-position: 50% 100%;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-color: #bd3829f3;
    -ms-flex-wrap: nowrap;
    flex-wrap: nowrap;
  }

#footer-content {
  padding: 15px;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -ms-flex-pack: distribute;
  justify-content: space-around;
  -webkit-box-align: stretch;
  -ms-flex-align: stretch;
  align-items: stretch;
  -ms-flex-line-pack: end;
  align-content: flex-end;
}

#uni-name {
  display: block;
  padding: 10px 10px 10px 40px;
  margin-bottom: 10px;
  text-align: left;
  font-size: 1.5em;
}

.footer-content-header {
  text-align: center;
  font-size: 20px;
}

.footer-content-header::after {
  margin: 10px auto;
  display: block;
  height: 1px;
  width: 250px;
  content: "";
  background-color: #771f155b;
}

#contact>div {
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-box-pack: space-evenly;
  -ms-flex-pack: space-evenly;
  justify-content: space-evenly;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

#contact>div>div {
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

#contact input {
  margin: 14px;
  margin-left: 0;
}

#contact input, #contact textarea {
  padding: 3px 3px 3px 10px;
  border-radius: 0;
}

#contact textarea::-webkit-input-placeholder {
  color: #bd3829f3;
}

#contact textarea::-moz-placeholder {
  color: #bd3829f3;
}

#contact textarea:-ms-input-placeholder {
  color: #bd3829f3;
}

#contact textarea::-ms-input-placeholder {
  color: #bd3829f3;
}

#contact textarea, #contact input, #contact textarea::placeholder {
  color: #bd3829f3;
}

#contact button {
  display: block;
  border: none;
  padding: 7px;
  margin: auto;
}

#address>div {
  padding: 0 15px;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

#address ul {
  text-align: center;
}

#address {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}

#address>div>div:first-child {
  margin-right: 30px;
}

#address>div>div:last-child {
  margin-left: 30px;
}

.footer-menu {
  -ms-flex-pack: distribute;
  justify-content: space-around;
}

.footer-menu>div {
  -ms-flex-pack: distribute;
  justify-content: space-around;
}

.footer-menu a {
  padding: 10px;
  background-color: #3f3f3f;
  text-align: center;
  margin-bottom: 10px;
}

.footer-menu a:hover {
  background-color: #3f3f3fe3;
}

#visited {
  text-align: end;
  margin: 1em;
}

/* 
  -----------------------------------------
    RESPONSIVE
  -----------------------------------------
  */

@media (max-width: 1025px) {
  .banner, #banner-img {
    height: 18rem;
  }
  #ver-nav .header-nav-list {
    margin-top: 2em;
  }
  .appear {
    display: block !important;
  }
  .hide {
    display: none;
  }
  .nav-content {
    display: none;
  }
  .header-nav-list {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  #nav-content-collasp {
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -ms-flex-pack: justify;
    justify-content: space-between;
  }
  .nav-content a:hover {
    color: #fbff05;
  }
  .dropdown-menu {
    position: relative;
    background-color: transparent;
    text-align: center;
    border: 0;
    font-size: 12px;
    min-width: 13rem;
    margin-left: 10px;
  }
  .dropdown-menu a {
    border-bottom: 1px dotted #ffffff;
    padding: 8px 0;
  }
  /* ==================== */
  #main {
    -ms-grid-columns: 1fr;
    grid-template-columns: 1fr;
    grid-template-areas: "rside" "lside";
  }
  #address>div {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  #address>div>div {
    margin: 10px;
  }
}

@media (max-width: 768px) {
  .banner, #banner-img {
    height: 13rem;
  }
  .banner .logo {
    width: 5rem;
    top: 1rem;
    left: 1rem;
  }
  .sticky-btn {
    width: 2.5em;
    bottom: 3em;
  }
  .fb {
    bottom: 7em;
  }
  .yt {
    bottom: 11em;
  }
  .up {
    bottom: 15em;
  }
  .modal {
    width: 90%;
  }
  /* main */
  .ads .left-side-img {
    width: 70%;
  }
  /* .news-box {
    padding: 10px 15px;
    margin: 20px auto;
  } */
  .news-box-header {
    font-size: 1rem;
  }
  aside {
    margin: 5px 0 10px 10px;
  }
  aside>span {
    margin: 0 5px;
  }
  .news-box-main {
    display: flex;
  }
  .news-img {
    width: 30%;
    height: 70px;
  }
  .news-content {
    padding-left: 10px;
  }
  .news-content a {
    padding: 5px 10px;
    font-size: .7rem;
  }
  /* footer */
  #footer {
    font-size: 1em;
  }
  #footer-content {
    padding: 2em;
  }
  #uni-name {
    text-align: center;
    font-size: 1.5em;
    padding: 10px;
  }
  #contact {
    margin-top: 2em;
  }
  #contact>div {
    margin: 15px 0;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  #contact>div>div {
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
  }
  #contact input {
    width: 100%;
  }
  #contact textarea {
    margin-top: 15px;
    height: 50px;
    width: 67%;
  }
  #address ul {
    text-align: center;
    margin-left: 0;
  }
  #address>div>div:first-child {
    margin-right: 0;
  }
  #address>div>div:last-child {
    margin-left: 0;
  }
  .footer-menu {
    font-size: 12px;
  }
}

@media (max-width: 500px) {
  .banner, #banner-img {
    height: 10rem;
  }
}