.webp_cont{
  height: 500px;
  width: 700px;
  position: relative;
}
.img {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}
.btnCont {
  position: absolute;
  left:0px;
  top: 0px;
  cursor: pointer;
}
.btn{
  position: absolute;
  top:0;
  left:0;
  opacity: 0;
}
.opc1{
  opacity:1;
}
.opc08{
  opacity:0.8;
}
.opc07{
  opacity:0.7;
}
.opc06{
  opacity:0.6;
}
.opc05{
  opacity:0.5;
}
.img img{
  width:680px;
  height:500px;
  filter: drop-shadow(5px 5px 2px #555);
}
.btn img{
  width:80px;
  height:80px;
  filter: drop-shadow(5px 5px 2px #555);
}