body { font-family: Arial, sans-serif; margin: 20px; padding: 20px; background-color: #f4f4f4; height: 100vh; } nav { display: flex; justify-content: space-around; } .nav-btn { text-decoration: none; color: black; } a { padding: 10px; border: none; border-radius: 5px; cursor: pointer; } /* button hover effect */ a:hover { background-color: #dd6a6a; } #content { border: 2px dashed #ccc; padding-top: 20px; display: flex; justify-content: center; align-items: center; height: 100%; flex-direction: column; gap: 20px; }