body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0px;
}
.mySlides img{
  width: 1100px;
  height: 400px;
}
#navbar {
  z-index: 1;
  background-color: limegreen;
  position: sticky;
  top: 0;
  width: 100%;
  display: block;
  transition: top 0.3s;
}

#navbar a {
  display: inline-block;
  color: #f2f2f2;
  text-align: center;
  padding: 15px;
  text-decoration: none;
  font-size: 17px;
}

#navbar a:hover {
  background-color: #ddd;
  color: black;
}

.active {
  background-color: #04AA6D;
}

@media screen and (max-width: 500px) {
  .navbar a {
    float: none;
    display: block;
  }
}

h1 {
  margin-left: 80px;
}
.gioithieu-bus{
  margin-top: 60px;
}
.container{
  width: 1400px; 
  padding: 5px 15px 5px 10px;
  margin: 10px auto;
  display: flex;
  flex-direction: row;
  justify-content: baseline;
  margin-bottom: 40px;
  
}

.box {
  position: relative;
  width: 1000px;
  margin: 0 20px;
  border: 1px solid rgb(210, 247, 210);
  transition: 1s;
  border-radius: 25px;
  background: rgb(210, 247, 210);
  transition-delay: .2s;
}

.box h3 {
  margin: 25px 40px 25px 40px;
  font-weight: bolder;
  font-size: 22px;
}

.box p {
  margin: 25px 40px 25px 40px;
  font-size: 17px;
  text-align: justify;
}

.box img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 25px;
}

.box:hover {
  transform: scale(1.05);
}

.footer-ket{
  background-color: darkgreen;
  text-align: center;
  height: 50px;
  top: 20px;
  padding-top: 30px;
}
.footer-ket a .img-1{
    margin-right: 20px;
}
#myInput {
  background-image: url('/css/searchicon.png');
  background-position: 10px 10px;
  background-repeat: no-repeat;
  width: 100%;
  font-size: 16px;
  padding: 12px 20px 12px 40px;
  border: 1px solid #ddd;
  margin-bottom: 12px;
}

#myTable {
  border-collapse: collapse;
  width: 100%;
  border: 1px solid #ddd;
  font-size: 18px;
}

#myTable th, #myTable td {
  text-align: left;
  padding: 12px;
}

#myTable tr {
  border-bottom: 1px solid #ddd;
}

#myTable tr.header, #myTable tr:hover {
  background-color: #f1f1f1;
}
.mySlides {display: none}
img {vertical-align: middle;}

/* Slideshow container */
.slideshow-container {
  max-width: 1100px;
  position: relative;
  margin: auto;
}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -22px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: rgba(0,0,0,0.8);
}

/* Caption text */
.text {
  color: #f2f2f2;
  font-size: 15px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  text-align: center;
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: darkgreen;
}

/* Fading animation */
.fade {
  animation-name: fade;
  animation-duration: 1.5s;
}

@keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}
@media (max-width: 1280px){
  .container{
    width: 1200px;
  }
  .timkiem input{
    width: 200px;
    text-align: left;
    margin-top: 42px;
    margin-bottom: 42px;
    margin-right: 0px;
    float: right;
    margin-right: 120px;
    border-color: green;
    border-radius: 10px;
  }
  .table-1{
    width: 1044px;
    text-align: center;
    display: flex;
    margin: auto;
    margin: 85px 115px 100px 120px;
  }
}
@media (max-width: 1024px){
  .container{
    width: 950px;
  }
  .timkiem input{
    width: 200px;
    text-align: left;
    margin-top: 42px;
    margin-bottom: 42px;
    margin-right: 0px;
    float: right;
    margin-right: 68px;
    border-color: green;
    border-radius: 10px;
  }
  .table-1{
    font-size: 12px;
    width: 900px;
    text-align: center;
    display: flex;
    margin: auto;
    margin: 85px 63px 80px 61px;
  }
  .mySlides img{
    width: 900px;
    height: 300px;
  }
  .slideshow-container {
    max-width: 900px;
    position: relative;
    margin: auto;
  }
}
@media (max-width: 820px){
  .container{
    width: 750px;
  }
  .timkiem input{
    width: 152px;
    text-align: left;
    margin-top: 30px;
    margin-bottom: 30px;
    margin-right: 0px;
    float: right;
    margin-right: 110px;
    border-color: green;
    border-radius: 10px;
  }
  .table-1{
    font-size: 10px;
    width: 694px;
    text-align: center;
    display: flex;
    margin: auto;
    margin: 85px 42px 80px 53px;
  }
  .mySlides img{
    width: 600px;
    height: 200px;
  }
  .slideshow-container {
    max-width: 600px;
    position: relative;
    margin: auto 89px;
  }
}
@media (max-width: 768px){
  .timkiem input{
    font-size: 10px;
    width: 120px;
    text-align: left;
    float: right;
    margin-top: 22px;
    margin-bottom: 22px;
    flex-direction: row;
    margin-right: 66px;
    border-color: green;
    border-radius: 10px;
    padding-left: 10px;
  }
  .table-1{
    font-size: 10px;
    width: 600px;
    text-align: center;
    display: flex;
    margin: auto;
    margin: 85px 66px 50px 64px 
  }
  .mySlides img{
    width: 616px;
    height: 225px;
  }
  .slideshow-container {
    max-width: 616px;
    position: relative;
    margin: auto;
  }
}
@media (max-width: 683.2px){
  .container{
    width: 600px;
  }
  .timkiem input{
    font-size: 10px;
    width: 120px;
    text-align: left;
    float: right;
    margin-top: 22px;
    margin-bottom: 22px;
    flex-direction: row;
    margin-right: 66px;
    border-color: green;
    border-radius: 10px;
    padding-left: 10px;
  }
  .table-1{
    font-size: 10px;
    width: 600px;
    text-align: center;
    display: flex;
    margin: auto;
    margin: 85px 66px 50px 64px 
  }
  .mySlides img{
    width: 616px;
    height: 225px;
  }
  .slideshow-container {
    max-width: 616px;
    position: relative;
    margin: auto;
  }
}
/* On smaller screens, decrease text size */
@media only screen and (max-width: 300px) {
  .prev, .next,.text {font-size: 11px}
}
.logo-bus-1{
  margin-left: 20px;
  width: 20px;
  height: 20px;
}