img {                                                                           
    border-radius: 5px;                                                         
    cursor: pointer;                                                            
    transition: 0.3s;                                                           
}                                                                               
                                                                                
img:hover {opacity: 0.5;}

.popover {
    max-width: 550px;
    width: 550px;
}

.btn-xs {
  font-size: 9px;
  border-radius: 6px;
  padding: 0px 4px;
  margin-left: 50px;
}

.imgButton {                                                                    
  border: none;                                                                 
  color: white;                                                                 
  text-align: center;                                                           
  text-decoration: none;                                                        
  font-size: 10px;                                                              
  border-radius: 122px;                                                         
}

.icon a span {
  visibility: hidden;
  max-width: 700px;
  background-color: black;
  color: white;
  text-align: center;
  font-size: 14px;
  padding-left: 2px;
  padding-right: 2px;
  padding-top: 10px;
  padding-bottom: 10px;

  /* Position the tooltip text - see examples below! */
  position: absolute;
  z-index: 1;
}
.icon a:hover span {
  visibility: visible;
}