.fs {
  background-color: lightblue;
  color: #000000;
  float: left;
  text-align: center;
  border: 2px solid white;
  padding: 0px;
  font-size: 7px;
  font-family:Cloister Black!important;
  margin: 2px;
  opacity: 0.35;
  border: yes;
  border-radius: 12px;
  -moz-border-radius: 12px;
  -webkit-border-radius: 12px;
  cursor: pointer;
  height: 50px;
  width: 50px;
  position:absolute;
  top: -308px;
  left: 439px;
 
}

.fs:hover{
 opacity: 1}