* {
  padding: 0;
  margin: 0;
}
.height-5000 {
  height: 5000px;
  background: linear-gradient(180deg, 
    #c00 0%, 
    #cc0 25%, 
    #0c0 50%, 
    #00c 75%, 
    #c0c 100%); 
}
.debug-info {
  position: fixed;
  left: 0; 
  top: 0;
  width: 70%;
  z-index: 99999;
  padding: 1rem 2rem;
  /* outline: 1px solid transparent; */
  background-color: rgba(255, 255, 255, .7);
}