.kh-box1{
  background-image: url(images/bg-khbox1-min.png);
  background-size: cover;
  background-position: center;
}
.main-khbox1 .title {
  font-size: 36px;
  font-weight: 700;
}
.main-khbox1 .title b{
  font-weight: 700;
  color: #E3A44F;
}
.main-khbox1 .title em{
  color: #E3A44F;
  font-weight: 400;
}
.item-tt-khbox1 {
  border-radius: 25px;
  border: 1px dashed #296142;
  background: #FFF;
  box-shadow: 2px 4px 6px 0px rgba(0, 0, 0, 0.12);
  padding: 24px 20px;
  text-align: center;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
@media only screen and (min-width: 991px) {
  .row-khbox1 .col-mb:nth-child(2n){
    margin-top: 20px;
  }
}
.row-khbox1 .col-mb .item-tt-khbox1 em{
  color: #E3A44F;
}
/**/
.kh-box2 {
  background: #F8FBF9;
}
.level-container {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.level-desc {
  display: none;
  border-radius: 20px;
  background: #E3A44F;
  box-shadow: 0px 4px 12px 0px rgba(0, 0, 0, 0.20);
  position: absolute;
  top: 100%;
  left: 0;
  width: 400px;
  color: #fff;
  z-index: 2;
  padding: 20px;
}
.level-box {
  flex: 1;
  position: relative;
  padding-bottom: 10px;
}
.level {
  position: relative;
  padding: 10px 20px 10px 30px;
  color: white;
  font-weight: bold;
  white-space: nowrap;
  clip-path: polygon( 0 0, 90% 0, 100% 50%, 90% 100%, 0 100%, 10% 50% );
  min-width: 80px;
  text-align: center;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  transition: .3s all;
  cursor: pointer;
  background-color: #e4a144;
}
.level:hover {
  box-shadow: 2px 4px 6px rgba(0, 0, 0, 0.24);
  transform: scale(1.05);
}
/* Color classes */
.level-a1 .level{
  background-color: #e4a144;
}
.level-a2 .level,
.level-a2 .level-desc{
  background-color: #2b5e3f;
}
.level-b1 .level,
.level-b1 .level-desc{
  background-color: #743c3c;
}
.level-box:hover .level-desc{
  display: block;
}

.kh-box2 h3 {
  font-size: 20px;
  margin-bottom: 20px;
}
/**/

.khoahoc-luyenthi-banner img {
  border-radius: 20px;
  width: 100%;
  display: block;
}
.khoahoc-luyenthi-banner {
  position: relative;
  z-index: 1;
}
.khoahoc-luyenthi-banner::before {
  content: "";
  background-color: #E3A44F;
  width: 170px;
  height: 174px;
  left: -12px;
  top: -12px;
  border-radius: 20px;
  display: block;
  position: absolute;
  z-index: -1;
}
.khoahoc-luyenthi-banner::after {
  content: "";
  background-color: #E3A44F;
  width: 225px;
  height: 339px;
  right: -12px;
  bottom: -12px;
  border-radius: 28px;
  display: block;
  position: absolute;
  z-index: -1;
}
.khoahoc-luyenthi .title {
  background-color: #E3A44F;
  color: #fff;
  padding: 17px 13px;
  clip-path: polygon( 0 0, 90% 0, 100% 50%, 90% 100%, 0 100%);
}
.denhoc {
  position: absolute;
  right: 50px;
  top: -66px;
  z-index: 1;
}
.khoahoc-luyenthi .desc {
  font-size: 18px;
}
.khoahoc-luyenthi .desc li {
  margin-bottom: 20px;
  font-weight: 400;
}
.khoahoc-luyenthi-btn img {
  position: absolute;
  bottom: 43%;
  right: 100%;
}
.khoahoc-luyenthi-btn .btn {
  background-color: #296142;
  height: 52px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  transition: .3s all;
  font-weight: 600;
}
.khoahoc-luyenthi-btn .btn:hover {
  transform: scale(1.05);
}
@media only screen and (max-width: 768px) {
  .main-khbox1 .title {
    font-size: 26px;
  }
  .kh-box2 h3 {
    font-size: 18px;
    margin-bottom: 15px;
  }
  .khoahoc-luyenthi-banner::after {
    width: 50%;
    height: 50%;
    right: -5px;
    bottom: -5px;
  }
  .khoahoc-luyenthi-banner::before {
    width: 50%;
    height: 50%;
    left: -5px;
    top: -5px;
  }
  .khoahoc-luyenthi-btn .btn {
    height: 45px;
    border-radius: 12px;
    padding: 0 20px;
  }
}
@media only screen and (max-width: 640px) {
  .main-khbox1 .title {
    font-size: 18px;
  }
  .level {
    min-width: 93px;
    height: 60px;
    font-size: 20px;
  }
  .level-desc{
    max-width: 350px;
  }
  .denhoc {
    right: 0;
    top: 0;
    width: 50px;
  }
}