*{box-sizing:border-box;margin:0;padding:0}body{background:#fff;font-family:Arial,sans-serif}.certificate-page{background:#fff;width:100%;min-height:100vh;padding:28px 20px}.certificate-container{width:100%;max-width:1200px;margin:0 auto}.certificate-image{border:1px solid #dcdcdc;width:100%;height:auto;display:block}