.ptqb-front-form{max-width:700px}.ptqb-front-field{display:block;width:100%;margin-bottom:20px}.ptqb-front-field label{display:block;margin-bottom:8px;font-weight:600}.ptqb-front-field input[type=text],.ptqb-front-field textarea{width:100%;max-width:500px}.ptqb-front-field input[type=file]{display:block;margin-top:8px}.ptqb-zalo-box{width:100%;text-align:center;margin-top:15px;clear:both}.ptqb-zalo-button{display:inline-block;background:#0068ff;color:#fff;padding:12px 22px;border-radius:6px;text-decoration:none;font-weight:700}