*{margin:0;padding:0;box-sizing:border-box}.main{display:flex;flex-direction:column;height:100vh;justify-content:center;align-items:center;background-color:#000;color:#fff}.container{background-color:#deb887;padding:2% 5%}.count{background-color:#fff;color:#000;padding:10px;border-radius:5px;font-size:20px;font-weight:500;margin-bottom:10px;text-align:center}span{font-weight:700}.error{background-color:#db1e1e;padding:5px;margin:10px 0;font-size:20px}.btn{padding:10px;margin:10px;width:5rem;border:1px solid #ccc;border-radius:4px;font-size:18px;cursor:pointer}.inc{background-color:green}.reset{background-color:red}.dec{background-color:#ff0}.btn:disabled{opacity:.5;cursor:not-allowed}