body{background-color:#f4f4f4;font-family:Arial,sans-serif;margin:0;padding:0}.container{margin:auto;overflow:hidden;width:80%}.footer,.navbar{background:#333;color:#fff;padding:10px 0}.footer{bottom:0;position:relative;text-align:center;width:100%}.app-wrapper{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1 1}