.step{opacity:.5;background-color:#bbb}.step,.stepactive{height:20px;border:none;margin:0 2px;border-radius:50%;width:20px;display:inline-block}.stepactive{opacity:.8;background-color:#ccc}.stepfinish{height:20px;border:none;opacity:.5;background-color:#4caf50;margin:0 2px;border-radius:50%;width:20px;display:inline-block}