body { margin: 0; padding: 24px; font: 16px/1.5 system-ui, sans-serif; color: #242424; background: #fafaf8; }
main { max-width: 960px; margin: auto; }
p { max-width: 75ch; }
a { color: inherit; }
button { font: inherit; padding: 12px 20px; border: 1px solid #666; border-radius: 8px; cursor: pointer; background: white; }
button:disabled { cursor: wait; }
#status { font-weight: 600; }
#results { padding-left: 24px; }
.pass { color: #265e25; }
.fail { color: #a32222; }
.fixture { overflow: auto; max-width: 100%; border-top: 1px solid #ccc; padding-top: 16px; }
iframe { display: block; border: 0; }