body {
      background-color: #DADADA;
    }
	
	.fixed-width {
    max-width: 500px;
	margin: 0 auto;
	}
	
    .fixed-height {
      margin-top: 30px;
	  margin-bottom: 10px;
    }
	
	.hover:after {
	width: 450px;
	white-space: pre-line;
	}