html { box-sizing: border-box; } *, *::before, *::after { box-sizing: inherit; } html, body { height: 100%; } body { line-height: 1.45; -webkit-font-smoothing: antialiased; } img, picture, video, canvas, svg { display: block; height: auto; max-width: 100%; } html, body, p, ol, ul, li, dl, dt, dd, blockquote, figure, fieldset, legend, textarea, pre, iframe, hr, h1, h2, h3, h4, h5, h6 { margin: 0; padding: 0; } h1, h2, h3, h4, h5, h6 { font-size: 100%; font-weight: normal; } input, button, textarea, select { font: inherit; margin: 0; } iframe { border: 0; }