* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
button, input, textarea { font: inherit; }
pre { margin: 0; white-space: pre-wrap; word-break: break-word; }