html {
  height: 100%;
  width: 100%;
}

.right {
  position: fixed;
  left: 0%;
  width: 40%;
  top: 0%;
  min-height: 100%;
  background-color: #c4c4c4;
  text-align: center;
}

.left {
  position: absolute;
  left: 50%;
  max-width: 40%;
  size: 100px;
}