body { margin: 10; font-family: Arial, sans-serif; justify-content: center; align-items: center; background-color: #efeff8; color:#121; display: flex; height: 400px; } .container { background: white; padding: 10px; border-radius: 12px; box-shadow: 10px 10px 8px rgba(0,0,0, 0.1); text-align: center; width: 90%; max-width: 400px; } h1 { font-size: 22pt; margin-bottom: 5px; } button { margin-top: 5px; font-size: 14pt; padding: 8px 16px; background: #007bff; color: white; border: none; border-radius: 6px; cursor: pointer; } button:hover { background: #b0bba3; }