*{
  margin: 0;
  padding: 0;
  box-sizing: border-box
}
.show{
  width: 100%;
  height: 450px;
  z-index: 99;
   background:#fff;
}

/*#show-img { width: 400px; height: 400px; }*/

.small-img{
  width: 100%!important;
  height: 90px;
  padding: 10px 0px 10px 0px;
  position: relative;
  left: 0px;
  z-index: 3; 
  background: #fff;
}
.small-img .icon-left, .small-img .icon-right{
  width: 12px;
  height: 24px;
  cursor: pointer;
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
}
.small-img .icon-left{
  transform: rotate(180deg)
}
.small-img .icon-right{
  right: 0;
}
.small-img .icon-left:hover, .small-img .icon-right:hover{
  opacity: .5;
}
.small-container{
  width: 310px;
  height: 70px;
  overflow: hidden;
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
}
.small-container div{
  width: 800%;
  position: relative;
}

.small-container .show-small-img{
  width: 70px;
  height: 70px;
  margin-right: 6px;
  cursor: pointer;
  float: left;
}
.small-container .show-small-img:last-of-type{
  margin-right: 0;
}

.sidebar-contact#divCertificate2 img {
display: none;
}
.sidebar-contact.active#divCertificate2 img {
    display: block;
    /*height: 290px;
    left: 30px;
    width: 400px;
    top: 20px;*/
    position: relative;
}

 @media screen and (max-width:767px) {
  .sidebar-contact#divCertificate2 img {
   display: none;
  }
 
  .sidebar-contact.active#divCertificate2 img {
    display: block;
   }
     }