anchor.diff:  #submit {
   	-webkit-appearance: button;
   	cursor: pointer;
  -	color: #fff;
  +	color: white;
   	display: inline-block;
   	padding: 6px 12px;
   	font-size: 16px;
  
positive.code: * {
  	box-sizing: border-box;
  	-webkit-font-smoothing: antialiased;
  }
  body {
  	font: normal 16px/1.4 BlinkMacSystemFont, -apple-system, "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  	background-color: #55acee;
  	margin: 0;
  }
  body,a {
  	color: white;
  }
  a:hover {
  	text-decoration: none;
  
negative.code: 	font-size: 16px;
  	line-height: 1.5;
  	color: #292f33;
  	background-color: white;
  	border: 1px solid #ccd6dd;
  	border-radius: 4px;
  	box-shadow: inset 0 1px 1px rgba(0,0,0,.2);
  