.johnson1{padding:20px;background:#ff9;width:90%;margin:20px auto}.johnson6{padding:20px;background:#ff9;width:90%;margin:20px auto;border:3px dashed #e00}.johnson8{padding:20px;background:#cfc;width:90%;margin:20px auto;border-left:5px solid #ff8080}.warning{color:red}.shadow{box-shadow:0 8px 8px -6px #333}