caption{ font-size: 32px; }
table{ width: 320px; }
table,th{ background: #333; }
th{ padding-right: 10px; height:80px;}
td{
  height: 75px;
  text-align: center;
}
th > input{
  width: 100%;
  border: none;
  background: #333; color: white;
  text-align: right;
  font-size:48px;
}
td > input[type="button"]{ 
  width: 100%; height:inherit;
  color:#333; font-size:36px;
  border: none;
}
td > input[type="button"]:hover{ 
  background: #999;
}
td:last-child > input{ 
	background: orange; color:white; 
}