* {   box-sizing: border-box; }  .column {   float: left;   padding: 15px;   height: 600px; }  .left {   width: 20%; }  .right {   width: 30%; }  .middle {   width: 50%; }  .row:after { 	content: ""; 	display: table; 	clear: both; }  .highlight { 	color: red; }  button { 	float: left; }  textarea { 	margin-top: 5%; 	width: 100%; 	color: black; }  div.side { 	color: #666; 	font-size: small; }  div.a {	/* top heading */ 	font-family: Fantasy, "Comic Sans MS", Cursive, Arial; 	font-style: italic; 	font-weight: bold; }  div.b { 	font-family: "Times New Roman", Times, serif; 	color: black; }  div.c { 	line-height: normal; 	float: right; }  div.d { 	line-height: 200%; 	float: left; 	width: 90%; 	font-size: small; }  div.footer {	/* bottom footer */ 	font-family: Fantasy, "Comic Sans MS", Cursive, Arial; 	font-style: italic; 	font-weight: bold; }