.col-centered {
    float: none;
    margin: 0 auto;
}

.carousel-control { 
    width: 8%;
    width: 0px;
}
.carousel-control.left,
.carousel-control.right { 
    margin-right: 40px;
    margin-left: 32px; 
    background-image: none; 
    opacity: 1;
}
.carousel-control > a > span {
    color: white;
      font-size: 29px !important;
}

.carousel-col { 
    position: relative; 
    min-height: 1px; 
    padding: 5px; 
    float: left;
 }

 .active > div { display:none; }
 .active > div:first-child { display:block; }

/*xs*/
@media (max-width: 767px) {
  .carousel-inner .active.left { left: -50%; }
  .carousel-inner .active.right { left: 50%; }
    .carousel-inner .next        { left:  50%; }
    .carousel-inner .prev            { left: -50%; }
  .carousel-col                { width: 50%; }
    .active > div:first-child + div { display:block; }
}
/*sm*/
@media (min-width: 768px) and (max-width: 991px) {
  .carousel-inner .active.left { left: -50%; }
  .carousel-inner .active.right { left: 50%; }
    .carousel-inner .next        { left:  50%; }
    .carousel-inner .prev            { left: -50%; }
  .carousel-col                { width: 50%; }
    .active > div:first-child + div { display:block; }
}

/*md*/
@media (min-width: 992px) and (max-width: 1199px) {
  .carousel-inner .active.left { left: -33%; }
  .carousel-inner .active.right { left: 33%; }
    .carousel-inner .next        { left:  33%; }
    .carousel-inner .prev            { left: -33%; }
  .carousel-col                { width: 33%; }
    .active > div:first-child + div { display:block; }
  .active > div:first-child + div + div { display:block; }
}

/*lg*/
@media (min-width: 1200px) {
  .carousel-inner .active.left { left: -25%; }
  .carousel-inner .active.right{ left:  25%; }
    .carousel-inner .next        { left:  25%; }
    .carousel-inner .prev            { left: -25%; }
  .carousel-col                { width: 25%; }
    .active > div:first-child + div { display:block; }
  .active > div:first-child + div + div { display:block; }
    .active > div:first-child + div + div + div { display:block; }
}

.block {
   /* width: 306px;
    height: 230px;*/
}
.imgvideo
{
  width: 100%;
}
.anh a img{
  height:150px;  width: auto; ; float: left; margin-left: 10px; margin-bottom: 10px; border:1px solid #ccc;
  padding: 5px; border-radius: 6px;
}
#baguetteBox-figure-0 img{
  max-height: 80% !important;
  max-width: 70% !important;
}
.pdf
{
  /*border: black solid 1px;*/
  position: relative;
  text-decoration: none;
  color: black;
  padding-bottom: 20px;
  margin-top: 20px;
}
.pdf:hover
{

  text-decoration: none;
  /*color: black;*/

}

.image {
  display: block;
  opacity: 1;
  display: block;
  transition: .5s ease;
  backface-visibility: hidden;
  width: 60%;
  height: auto;
  margin: auto;
}

.pdf:hover .middle {
  opacity: 1;
}

.middle {
  transition: .5s ease;
  opacity: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  text-align: center;
}
.pdf:hover .image {
  opacity: 0.3;
}
@media only screen and (max-width:800px) {
  .mb
  {
    font-size: 14px !important;
  }
  .mb2
  {
    font-size: 18px !important;
    padding: 0 10px 0 0 !important;
  }
  .cctc
  {
    font-size: 24px !important;
    padding-left: 0px !important;
  }
  .nt
  {
    padding: 0 10px 0 0 !important;
  }
  .carousel-control .glyphicon-chevron-left, .carousel-control .glyphicon-chevron-right, .carousel-control .icon-prev, .carousel-control .icon-next 
  {
    width: 15px;
    height: 15px;
    margin-top: -15px;
    font-size: 20px !important;
  }
}
.mb{
  font-size: 16px;
  /*font-family: "Times New Roman", Times, serif;*/
  }@media only screen and (max-width:1000px) {
    .mb
    {
      font-size: 18px !important;
    }
    .mb2
    {
      font-size: 18px !important;
      padding: 0 10px 0 0 !important;
    }
  }
  .mb{
    font-size: 16px;
    /*font-family: "Times New Roman", Times, serif;*/
  }@media only screen and (max-width:321px) {
    .cctc
  {
    font-size: 20px !important;
    padding-left: 0px !important;
  }
  }
  @media only screen and (max-width:500px) {
    .mb
    {
      font-size: 16px !important;
    }
    .mb2
    {
      font-size: 18px !important;
    }
    .carousel-control .glyphicon-chevron-left, .carousel-control .glyphicon-chevron-right, .carousel-control .icon-prev, .carousel-control .icon-next 
    {
      width: 15px;
      height: 15px;
      margin-top: -6px;
      font-size: 14px !important;
    }
  }
  /*.cctc{*/
    /*font-family: "Times New Roman", Times, serif;*/
   /* font-size: 27px;
    font-variant: normal;
    font-weight: 400;
    line-height: 28.4px;
  }*/

  .text {

    background-color: #4CAF50;
    color: black;
    font-size: 16px;
    font-weight: bold;
    padding: 16px 32px;
    border: 2px solid #4CAF50;
    padding: 10px;
    border-radius: 25px;
  }
  .nt
  {
    padding: 0 5px 0 5px;
  }