.buttonUPD {
  display: inline-block;
  padding: 2px  2px 2px  2px;
   
  cursor: pointer; 
  outline: none;
  color: #fff;
  background-color: #444;
  border: 0px;
  border-radius: 2px;
  box-shadow: 6px 9px #666;
}

.buttonUPD:hover {background-color: #444}

.buttonUPD:active {
  background-color: #444;
  box-shadow: 4px 4px #222;
  transform: translateY(8px);
}
 

.tooltipUPD {
 position: relative;
 display: inline-block;
}

.tooltipUPD .tooltiptextUPD {
 visibility: hidden;
 width:98px;
 font-size: 20px;
 background-color: #eee;
 color: #333;
 text-align: center;
 padding: 5px 0;
 border-radius: 2px;

 /* Position the tooltip text */
 position: absolute;
 z-index: 1;
}

.tooltipUPD:hover .tooltiptextUPD {
 visibility: visible;
 opacity: 1;
}