*,
*::before,
*::after { box-sizing: border-box; }
html, body, h1, h2, h3, p, ul, li, img, figure, footer { margin: 0; padding: 0; }
html, body { height: 100%; }
img { display: block; max-width: 100%; height: auto; }
button, a { cursor: pointer; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }