body{
  background-color: red;
  background-image: url("https://64.media.tumblr.com/62fe3d4d413d21faabbf478773368184/e00635bf430951b4-6d/s250x400/73e4fc8c4b0bb01b42676797b88029c5bdf6f806.gifv");
  background-size: 100%;
  color: red;
  }
  
a:link, a:visited, a:active { 
color:red;text-decoration:none;}
a:hover {
color:white;}

.a{
  position: absolute;
  right: 2%;
  top: 3%;
  }
  
.b{
  background: blue;
  height: 100%;
  width: 30%;
  position: fixed;
  left: 0px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 30px;
  }
  
.c{
  a:link, a:visited, a:active { 
  color:red;text-decoration:none;}
  a:hover {
  color:red;}
  }
  
.d{
  position: fixed;
  left: 0.7%;
  bottom: 1%;
  z-index: 3;
  }