html,body{margin:0;padding:0;height:100%}.app{background:url(/assets/background-51f682d5.jpg) no-repeat center center fixed;background-size:cover;height:100vh;width:100vw;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.logo{width:150px;position:absolute;top:20px;left:20px;z-index:10}header{display:flex;align-items:center;justify-content:center;padding:20px}.nav-list{list-style:none;display:flex;justify-content:center;padding:0}.nav-list li{margin:0 15px}.nav-list a{text-decoration:none;color:#333;font-weight:700;transition:color .3s}.nav-list a:hover{color:#fc0}.content{display:flex;justify-content:center;align-items:center;flex-grow:1}footer{text-align:center;padding:20px;color:#fff;background-color:#00000080}