.icon-bar {
  position: fixed;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}

.icon-bar a {
  display: block;
  text-align: center;
  padding: 16px;
  transition: all 0.3s ease;
  color: white;
  font-size: 20px;
}

.icon-bar a:hover {
  background-color: #000;
  width:50px; 
}

.content {
  margin-left: 75px;
  font-size: 30px;
}