body { margin: 0; } .main { display: flex; flex-wrap: wrap; } .section { min-height: 100vh; flex: 1 0 50%; } .section:last-of-type { background: #389BF8; } aside { padding-right: 50px; } .body { display: flex; width: 90%; margin: 50px auto; } .main-content { display: flex; } .mobile-view-menu { display: none; } .place-form { margin-left: 120px; } @media screen and (max-width: 800px){ .mobile-view-menu { display: block; } aside.menu { display: none; } } .footer { z-index: 1200; }