.rm-icon-bar {
  width: 90px;
  background-color: #000000;
}

.rm-icon-bar a {
  display: block;
  text-align: center;
  padding: 16px;
  transition: all 0.3s ease;
  color: red;
  font-size: 36px;
}

.rm-icon-bar a:hover {
  background-color: #3c454c;
}

.rm-active {
  background-color: #740000;
}