* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: Tahoma, Arial;
  background-color: #333;
}
.slider-container{
  margin: 10px auto;
  width: 800px;
  height: 800px;
  position: relative;
  display: flex;
}
.slider-container .hi{
  width: 800px;
  position: absolute;
  opacity: 0;
  transition: opacity 1s;
  z-index: 1;
}
.slider-container img.active{
  opacity: 1;
}
.slider-container .slide-number{
  position: absolute;
  left: 10px;
  top: 10px;
  background-color: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 5px 10px ;
  font-size: 20px;
  z-index: 2;
  border-radius: 6px;
}
.slider-controls{
  width: 800px;
  margin: auto;
  overflow: hidden;
}
.slider-controls .prev,
.slider-controls .next {
  background-color: #009688;
  color: #fff;
  text-align: center;
  cursor: pointer;
  border-radius: 4px;
  padding: 5px;
  user-select: none;
  width: 20%;

}
.slider-controls .prev{
  float: left;
  height: 90px;
  padding-top: 32px;
  border-radius: 100px 0px 0px 100px;
}
.slider-controls .next{
  float: right;
  height: 90px;
  padding-top: 32px;
  border-radius: 0px 100px 100px 0px;

}
.slider-controls .prev.disabled,
.slider-controls .next.disabled{
  background-color: rgba( 0 , 150 ,136 , .5 );
  cursor: no-drop;
}
.slider-controls .indicators{
  width: 60%;
  float: left;
}
.slider-controls .indicators ul{
  list-style: none;
  margin: 0;
  text-align: center;
}
.slider-controls .indicators ul li {
  display: inline-block;
  background-color: #f6f6f6;
  color: #333;
  font-weight: bold;
  height: 90px;
  width: 90px;
  border-radius: 4px;
  margin: 0 2px;
  line-height: 28px;
  cursor: pointer;
  opacity: .5;
}
.slider-controls .indicators ul li.active{
  opacity: 1;
  color: #fff;
}
.sds1{
  background-image: url(11.jpg);
  background-size: 90px;
}
.sds2{
  background-image: url(22.jpg);
  background-size: 90px;
}
.sds3{
  background-image: url(33.jpg);
  background-size: 90px;
}
.sds4{
  background-image: url(44.jpg);
  background-size:90px;
}
.sds5{
  background-image: url(55.jpg);
  background-size: 90px;
}