*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }