body {margin:0}

.icon-bar {
  width: 90px;
  background-color: #555;
}

.icon-bar a {
  display: block;
  text-align: center;
  padding: 12px;
  transition: all 0.3s ease;
  color: white;
  font-size: 36px;
}

.icon-bar a:hover {
  background-color: #000;
}

.active {
  background-color: #04AA6D;
}