.tools-bar{
  position: fixed;
  bottom: 70px;
  right: 0;
  z-index: 100;
}
.tools-bar a{
  position: relative;
  display: block;
  width: 82px;
  height: 90px;
  margin-top: -1px;
  background-color: #fff;
  border: 1px solid #f5f5f5;
  text-align: center;
  transition: color .3s;
}
.icons{
  position: relative;
  width: 30px;
  height: 30px;
  margin: 0 auto 8px;
  padding-top: 18px;
}
.icons img{
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 30px;
  opacity: 0;
  transition: opacity .3s;
}
.icons img:first-child{
  opacity: 1;
}
.tools-bar a:hover{
  color: #ff6700;
}
.tools-bar a:hover .hover{
  opacity: 1;
}

.pop-content{
  position: absolute;
  top: 0;
  left: 0;
  padding: 14px;
  background-color: #fff;
  border: 1px solid #f5f5f5;
  opacity: 0;
  transition: opacity .3s;
  visibility: hidden;
  transform: translateZ(0);
}
.pop-content img{
  display: block;
  width: 100px;
  height: 100px;
  margin: 6px auto;
}
.tools-bar a:hover .pop-content{
  transform: translate3d(-110%,0,0);
  opacity: 1;
  visibility: visible;
}
.pop-content::after{
  content: "";
  position: absolute;
  top: 21%;
  width: 0;
  height: 0;
  border-width: 10px;
  border-style: solid;
  overflow: hidden;
}
.tools-bar a:hover .pop-content::after{
  right: -18px;
  border-color: rgba(0, 0, 0, 0) rgba(0, 0, 0, 0) rgba(0, 0, 0, 0) #fff;
  z-index: 10;
}