@charset "utf-8";



.controller{
  position: relative;  
  width: 600px;
  text-align: center;
  margin-bottom: 15px;
}

.credit{
  position: absolute;
  left: 0;
}

.screen{
  text-align: center;
  width: 600px;
  height: 600px;
  margin-bottom: 30px; 
}