.icon_footer {
  display: inline-block;
  position: relative;
  border-radius: 0px;
  border: 0px;
  background-color: #ffffff;
  background-image: none;
}
.icon_footer:hover {
  border-radius: 0px;
  border: 0px;
  background-color: #bfbfbf;
  background-image: none;
}
.icon_footer > img {
  position: relative;
  margin: auto;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}