.update-banner{color:#fff;text-align:center;z-index:99999;background:#4caf50;padding:1rem;position:fixed;top:0;left:0;right:0}.update-banner button{color:#4caf50;cursor:pointer;background:#fff;border:none;border-radius:4px;margin-left:1rem;padding:.5rem 1rem;font-weight:500}.update-banner button:hover{background:#f0f0f0}