*{box-sizing:border-box}body{font-family:Arial;background:#eef8ff;color:#123;margin:0;padding:40px}.box{max-width:520px;margin:auto;background:white;border:1px solid #bfe3ff;border-radius:18px;padding:28px;box-shadow:0 10px 30px #0001}.wide{max-width:950px}h1{color:#0877c9}input,button{width:100%;padding:12px;margin:7px 0 14px;border:1px solid #b8d9ef;border-radius:10px}button{background:#0788df;color:#fff;border:0;font-weight:bold;cursor:pointer}a{color:#0877c9}.err{color:#b00020}table{width:100%;border-collapse:collapse}td,th{padding:9px;border-bottom:1px solid #ddd;text-align:left}label{font-size:13px;font-weight:bold}