*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body { overflow-x: hidden; }
img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; }
canvas { display: block; }