.sef-container{max-width:600px;border:1px solid #ddd;padding:15px}
.sef-container label{display:block;margin-top:10px}
.sef-container select,.sef-container input{width:100%;padding:6px}
.sef-container button{margin-top:15px;width:100%;padding:10px;background:#0073aa;color:#fff;border:none}
.card{margin-top:10px;padding:10px;background:#f9f9f9;border-left:4px solid green}