*{box-sizing:border-box}body{margin:0;padding:0;min-height:100vh}form{display:flex;align-items:center;padding:8px;gap:12px;background:#dadada;height:48px;border-bottom:1px solid black}form input{all:none;border:1px solid black;border-radius:4px;width:400px}form button{border-radius:4px;background:#5890fe;color:#fff;padding:4px 12px;outline:none;border:none;cursor:pointer}