.menu-item i._before {
display: block;
margin: 0 auto;
float: none;
clear: both;
text-align: center;
height: 40px;
vertical-align: middle;
opacity: .8;
}

.menu-item img._before {
  
  display: block;
margin: 0 auto;
float: none;
clear: both;
text-align: center;
height: 40px;
vertical-align: middle;  
}