h1 {
  color: green;
}

h2 {
  color: blue;
}

.box_01 {        
  /*width: 15em;      а*/
  border: 1px solid #333;
  box-shadow: 8px 8px 5px #444;
  padding: 8px 12px;
  background-image: linear-gradient(180deg, #ffba00, #ddd 40%, #ccc);
}



.box_simple {        
  width: 25em;      
  border: 1px solid #333;
  box-shadow: 8px 8px 5px #444;
  padding: 8px 12px;
 /* background-image: linear-gradient(180deg, #ffba00, #ddd 40%, #ccc);*/
}