html { margin: 0; background-color: #502060; color: #00cccc; font-family: Monocraft monospace; } body { margin: auto; display: block; width: min(700px, 90vw); margin-top: min(10em, 30vh); margin-bottom: min(10em, 30vh); } a { color: #00ffff; } a.btn { background-color: #603060; display: inline-block; width: 10em; max-width: 90vw; min-width: fit-content; padding: 10px; margin: 0; margin-bottom: 1px; text-decoration: none; text-align: center; transition: 0.2s; } a.btn:hover { background-color: #605070; } form { background-color: #425; padding: 10px; margin: 20px auto 20px auto; width: fit-content; } label { text-align: right; display: block; } input { height: 2em; margin-bottom: 0.5em; border: 0; background-color: #000; color: #f0f; } button { background-color: #a0a; color: #000; border: 0; width: 100%; height: 2em; cursor: pointer; transition: 0.2s; } button:hover { background-color: #909; } div.error { background-color: #913; color: #fff; display: block; width: calc(100% - 60px); padding: 15px; margin: 15px; } img.ss { margin: auto; display: inline-block; width: 45%; margin: 0.5em; }