body{background-color:green}.panel:first-child{margin-top:20px}.btn-points{margin:10px auto;display:block;font-size:2em;margin-bottom:1em;border-radius:0.5em}.btn-points.selected{color:#fff;background-color:#5cb85c;border-color:#4cae4c}.btn-points.selected.zero-point{background-color:#aaa;border-color:#bbb}.btn-points.selected.zero-point[data-points="idk"]{background-color:orange}#session-id{text-transform:uppercase}.button-grid{display:flex;flex-wrap:wrap;justify-content:center;margin:auto}.button-grid .btn-points{width:100px;height:100px;margin:20px}@media (min-width: 1200px){.button-grid .btn-points{width:120px;height:120px}}@media (max-width: 820px){.button-grid .btn-points{width:85px;height:85px;margin:15px}}