.error-message{color:#ff0;animation:blinker 1s linear infinite}@keyframes blinker{0%{opacity:0;color:#ff0}50%{opacity:1;color:red}to{opacity:0;color:red}}.dimmed-button{opacity:.5;cursor:not-allowed}#waBtn{display:block;position:fixed;bottom:20px;left:20px;z-index:99;font-size:18px;border:none;outline:none;color:#fff;cursor:pointer;padding:5px;border-radius:4px;width:60px}#ri8Btn{display:block;position:fixed;bottom:90px;right:20px;z-index:99;font-size:18px;border:none;outline:none;color:#fff;cursor:pointer;padding:5px;border-radius:4px;width:60px}button#waBtn{border-radius:50px}.rotate-180{transform:rotate(180deg)}