*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%}body{color:#000;background:#fff;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Ubuntu,Helvetica Neue,Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}input,select,button,textarea{font-family:inherit;font-size:14px}input,select,textarea{border:1px solid #ccc;padding:8px}button{color:#fff;cursor:pointer;background:#000;border:1px solid #000;padding:8px 12px}button:disabled{opacity:.6;cursor:not-allowed}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}hr{border:none;border-top:1px solid #e5e5e5;margin:16px 0}