:root{--primary-color: #f2f2f2;--secondary-color: #444d56;--success-color: #28a745;--danger-color: #dc3545;--warning-color: #ffc107;--info-color: #17a2b8;--light-color: #ffffff;--dark-color: #343a40}*{margin:0;padding:0}#app{width:100vw;height:100vh;overflow:hidden;background-color:#343a40}#header{position:fixed;bottom:0;left:0;z-index:100;max-width:150px;@media only screen and (max-width: 600px){top:0;max-width:100px}}.logo{max-width:100%}