body{
    
    background-color: #f2eff6;
    color: #ffffff;

}

a{
    
    text-decoration: none;
    color: #ffffff;

}

#btn {
    animation: duration 15s;
    animation-iteration-count: infinite;
    animation-name: slidein;
  }
  
@keyframes slidein {
  from {
    margin-left:80%;
    width: 30%;
  }

  to {
    margin-left: -40%;
    width: 100%;
  }
}