body {
    background: #0b0f17;
    color: #d0d7e3;
    font-family: Arial, sans-serif;
}
a { color: #4da6ff; }
table { width: 100%; background:#111622; border-collapse: collapse; }
td, th { border:1px solid #333; padding:8px; }
input, textarea, select, button {
    background:#121725; color:#e0e0e0; border:1px solid #333; padding:8px; width:100%;
}
button { background:#1a80ff; cursor:pointer; }
.container { width:300px; margin:120px auto; background:#111622; padding:20px; border:1px solid #333; }
.error { color:red; }
img { border:2px solid #333; }