body {
  margin: 0;
  padding: 0;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  width: 200px;
  background-color: #f1f1f1;
  position: fixed;
  height: 100%;
  overflow: auto;
}

li a {
  display: block;
  color: #000;
  padding: 8px 16px;
  text-decoration: none;
}

li a.active {
  background-color: #4CAF50;
  color: white;
}

li a:hover:not(.active) {
  background-color: #555;
  color: white;
}

li img {
  width: 200px;
  height: 150px;
}

img {
  width: 100%;
  height: 300px;
}

.icon-bar {
  width: 100%;
  background-color: #555;
  overflow: auto;
}

.icon-bar a {
  float: left;
  width: 20%;
  text-align: center;
  padding: 0px 0;
  transition: all 0.3s ease;
  color: white;
  font-size: 24px;
}

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

.active {
  background-color: #4CAF50;
}

.fa {
  padding: 20px;
  font-size: 30px;
  width: 50px;
  text-align: center;
  text-decoration: none;
  margin: 5px 2px;
}

.fa:hover {
    opacity: 0.7;
}

.fa-facebook {
  background: #3B5998;
  color: white;
}

.fa-twitter {
  background: #55ACEE;
  color: white;

.fa-instagram {
  background: #125688;
  color: white;
}