html,body{position:relative}body{background:#f0f0f0;color:#333;margin:2rem;padding:8px;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}a{color:#0064c8;text-decoration:none}a:hover{text-decoration:underline}a:visited{color:#0050a0}label{display:block}input,button,select,textarea{font-family:inherit;font-size:inherit;padding:.4em;margin:0 0 .5em;box-sizing:border-box;border:1px solid #ccc;border-radius:2px}input:disabled{color:#ccc}input[type=range]{height:0}button{color:#333;background-color:#f4f4f4;outline:none}button:disabled{color:#999}button:not(:disabled):active{background-color:#ddd}button:focus{border-color:#666}