.wp1, .wp2{
  background-color: #222;
  display: block;
  position: fixed;
  z-index: 999;
  bottom: 20px;
  left: 20px;
  border-radius: 100%;
  width: 60px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  margin: 0;
  padding: 0;
}

.wp2{
  left:auto;
  right:20px;
  background-color: #222;
}

.wp1 i, .wp2 i{
  font-size: 2em;
  line-height: 60px;
  color: #fff;
  margin: 0;
  padding: 0;
}

@media(max-width:991px){
  .wp1, .wp2{
    border-radius: 0;
    width: 50%;
    bottom:0;
    left: 0;
    height: 40px;
    line-height: 40px;
  }

  .wp2{
    left: auto;
    right: 0;
  }

  .wp1 i, .wp2 i{
    line-height: 40px;
    font-size: 1.5em;
  }
}