:root { color-scheme: light dark; }
body { margin: 0; font-family: Georgia, "Times New Roman", serif; line-height: 1.5; }
.placeholder { max-width: 36rem; margin: 20vh auto 0; padding: 0 1rem; text-align: center; }
.placeholder h1 { font-size: 2.5rem; margin-bottom: 0.5rem; }