*{font-family:Arial,sans-serif;margin:0;padding:0;box-sizing:border-box}html,body{height:100%;margin:0}.page-wrapper{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:10px;box-sizing:border-box}