body{font-family:helvetica,arial,sans-serif;margin:2em}h1{font-style:italic;color:#373fff}#myCanvas{pointer-events:none}.main{margin-bottom:20px}.control,.main{display:flex;justify-content:center}.advertisement{margin-top:5em;font-size:14px;text-align:right}#refresh-button{box-shadow:0 0 0 2px #9fb4f2;background:linear-gradient(180deg,#7892c2 5%,#476e9e);background-color:#7892c2;border-radius:14px;border:1px solid #4e6096;display:inline-block;cursor:pointer;color:#fff;font-family:Verdana;font-size:28px;padding:32px 76px;text-decoration:none;text-shadow:0 1px 0 #283966}#refresh-button:hover{background:linear-gradient(180deg,#476e9e 5%,#7892c2);background-color:#476e9e}#refresh-button:active{position:relative;top:1px}