body { margin: 0; font: 16px/1.5 system-ui, sans-serif; color: #1f2430; background: #f6f7f9; }
main { max-width: 40rem; margin: 4rem auto; padding: 0 1rem; }
h1 { font-size: 1.75rem; }
.build { display: inline-block; padding: 0.25rem 0.6rem; border-radius: 6px; background: #fdeee8; color: #b4401c; font-weight: 600; }