.cd-top {
  display: inline-block;
  height: 25px;
  width: 25px;
  position: fixed;
  bottom: 15px;
  right: 15px;
  /* image replacement properties */
  overflow: hidden;
  white-space: nowrap;
  background: rgba(241, 113, 83, 0.8);
  visibility: hidden;
  opacity: 0;
  border-radius: 15%;
  -webkit-transition: opacity .3s 0s, visibility 0s .3s;
  -moz-transition: opacity .3s 0s, visibility 0s .3s;
  transition: opacity .3s 0s, visibility 0s .3s;
}
.cd-top.cd-is-visible, .cd-top:hover {
  -webkit-transition: opacity .3s 0s, visibility 0s 0s;
  -moz-transition: opacity .3s 0s, visibility 0s 0s;
  transition: opacity .3s 0s, visibility 0s 0s;
}
.cd-top.cd-is-visible {
  /* the button becomes visible */
  visibility: visible;
  opacity: 1;
}

.cd-top:hover {
  background-color: rgb(241, 113, 83);
  opacity: 1;
}
.cd-top i{
  margin:5px;
  color:white;
}