*{
  margin: 0;
  padding: 0;
  box-sizing: border-box
}
.main-show{
  width: 400px;
  height: 400px;
  margin: auto;
}
@media only screen and (max-width: 375px) {
  .main-show{
    width: 300px;
    height: 300px;
    margin: auto;
  }
}
#show-img { width: 400px; height: 400px;}
.small-img{
  width: 380px;
  height: 90px;
  margin: auto;
  position: relative;
  padding: 10px 0px;
}
@media only screen and (max-width: 375px) {
  #show-img { width: 300px; height: 300px;}
  .small-img{
    width: 300px;
    height: 90px;
    margin: auto;
    position: relative;
  }
}
.small-img .icon-left, .small-img .icon-right{
  width: auto;
  height: 25px;
  cursor: pointer;
  position: absolute;
  top: 0;
  bottom: 0;
  margin: auto 0;
  z-index: 2;
}
.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;
}
@media only screen and (max-width: 375px) {
  .small-container{
    width: 300px;
    height: 70px;
    overflow: hidden;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
  }
}
.small-container div{
  width: 800%;
  position: relative;
  padding: 0px 10px;
  margin: auto;
}
@media only screen and (max-width: 375px) {
  .small-container div{
    width: 800%;
    position: relative;
    padding: 0px;
    margin: auto;
  }
}
.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;
}