*{
    margin: 0;
    padding: 0;
}


.box-title {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 35px;
}

.box-title h1 {
    font-size: 20px;
    text-align: center;
}
#customFile .custom-file-input:lang(en)::after {
    content: "Select file...";
  }
  
  #customFile .custom-file-input:lang(en)::before {
    content: "Click me";
  }
  
  /*when a value is selected, this class removes the content */
  .custom-file-input.selected:lang(en)::after {
    content: "" !important;
  }
  
  .custom-file {
    overflow: hidden;
  }
  .custom-file-input {
    white-space: nowrap;
  }
  .err {
    font-size: 12px;
    color: red;
}

.err1 {
    border: 1px solid red;
}
.ov{
    max-height: 700px;
}
.ov thead {
    position: sticky;
    top: -1px;
    z-index: 222;
    background-color: #fff;
}
.box-1nguoimat {
  border: 1px solid #ccc;
  border-radius: 10px;
  text-align: center;
  min-height: 345px;
  background-color: #ddfbd9;
}



.box-thongtintenpd {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-weight: bold;
  margin-bottom: 10px;
}

.box-thongtin {
  display: flex;
  align-items: start;
  justify-content: center;
  flex-direction: column;
  padding-left: 10px;
  margin-bottom: 15px;
}
.box-lunhang {
  text-align: center;
  position: absolute;
  bottom: -27px;
  /* left: 0; */
  /* right: 0; */
  display: flex;
  align-items: center;
  justify-content: center;
  margin: auto;
  width: 100%;
}
.box-lunhang img {
  width: 200px;
  height: 200px;
}
.box-thapnhang {
  min-height: 955px  ;
      position: relative;
      background-image: url(/images/LTNCS.jpg);
      background-position: center;
      background-repeat: no-repeat;
      background-size: cover;
}
.box-ponhang {
  position: absolute;
  right: 0;
  bottom:0;
  cursor: pointer;
  z-index: 10;
}

.box-ghichu{
  height: 29%;
  width: 259px;
  background-color: #ccc;
  position: absolute;
  border-radius: 52%;
  right: 103px;
}
.box-contentghichu {
  position: absolute;
  left: 0;
  right: 0;
  top: 25px;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
}
.chartbo{
  width: 0;
  height: 0;
  border-left: 2vh solid transparent;
  border-right: 2vh solid transparent;
  border-top: 10vh solid #ccc;
  position: absolute;
  top: 45%;
  right: -5px;
  transform: rotate(-60deg);
}
.box-nhangcamcokhoa {
  text-align: center;
  position: absolute;
  bottom: 102px;
  left: 0;
  right: 0;
  z-index: 1;
  opacity: 0;
  transition: 0.3s all;
}
.dscs{
  /* background-color: #b74b4b; */
}
.box-khoacuanhang {
  position: absolute;
  top: -303px;
  left: 9px;
  right: 0;
  
}

.box-khoacuanhang img {
  height: 577px;
}
.box-nhangcamcokhoa.active {
  opacity: 1;
}

#smoke {
  position: absolute;
  z-index: 3;
  width: 1px;
  height: 160px;
  left: 49.4%;
  top: -132px;
}

/* smoke balls */

#smoke span { 
  display: block;
	position: absolute;
	bottom: -35px;  margin-left:-20px;
	 height: 100px; width:100px;
  background-image:url('https://causieu.chuagiacngo.com/images/khoa4.png');
    background-repeat: no-repeat;
  /* background-attachment: fixed; */
  background-position: bottom; 
	left: -19px; opacity: 0;
	transform: scale(0.2);
}

/* Smoke animation */

@keyframes smokeL {
	0%   { transform: scale(0.5) translate(0, 0) }
	10%  { opacity: 1; transform: scale(0.7) translate(0, -5px) }
	100% { opacity: 0; transform: scale(1) translate(-20px, -130px) }
}

@keyframes smokeR {
	0%   { transform: scale(0.5) translate(0, 0) }
	10%  { opacity: 1; transform: scale(0.7) translate(0, -5px) }
	100% { opacity: 0; transform: scale(1) translate(20px, -130px) }
}

#smoke .s0 { animation: smokeL 10s 0s infinite }
#smoke .s1 { animation: smokeR 10s 1s infinite }
#smoke .s2 { animation: smokeL 10s 2s infinite }
#smoke .s3 { animation: smokeR 10s 3s infinite }
#smoke .s4 { animation: smokeL 10s 4s infinite }
#smoke .s5 { animation: smokeR 10s 5s infinite }
#smoke .s6 { animation: smokeL 10s 6s infinite }
#smoke .s7 { animation: smokeR 10s 7s infinite }
#smoke .s8 { animation: smokeL 10s 8s infinite }
#smoke .s9 { animation: smokeR 10s 9s infinite }
.boxtitlebanner {
  position: absolute;
  left: 20px;
  width: 33%;
  top: 145px;
  text-align: center;
  background-color: #00000075;
  color: #fff;
  padding: 16px;
}.boxtitletime a {
  color: #20fff8;
}
.mobile{
  display: none;
}
@media screen and (max-width:1024px) {
  .boxtitlebanner { 
    left: 10px;
    
  }
  .boxtitlebanner h1{
    font-size: 24px;
  }
  .box-ps {
    font-size: 13px;
}
}
@media screen and (max-width:768px) {
  .boxtitlebanner h1{
    font-size: 18px;
  }
  .box-ps {
    font-size: 16px;
}
}
@media screen and (max-width:568px) {
  .boxtitlebanner{
    position: relative;
    width: 100%;
    left: 0;
    top: 0%;
    padding: 10px 5px;
  }
.mobile{
  display: block;
}
.pc{
  display: none;
}
}
 
.box-1nguoimat a {
  width: 3cm  ;      height: 4cm  ;
      margin: auto;
      border: 1px   solid #ccc;
      background-color: #fff;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
}
.box-1nguoimat img {
  height: auto;
  width: 100%;
}