.header {
  position: fixed;
  left: 0;
  top: 0;
  margin-left: 200px;

  background-color: #252525;
  border-right: 2px solid #3c3c3c;

  font-size: 40px;
}

.header img {
  position: relative;
  top: 2px;
  left: 10px;

  width: 30px;
  height: auto;
}

.header a {
  margin-right: 10px;
  color: #cccccc;
  text-decoration: none;
}