body { font-family: sans-serif; background: #000; color: #0f0; text-align: center; }
#speccy { margin: 20px auto; display: block; border: 4px solid #0f0; }
button { background: #222; color: #0f0; border: 1px solid #0f0; padding: 10px 20px; margin: 10px; cursor: pointer; }