css/reset.css (34 lines of code) (raw):

html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, menu, nav, output, ruby, section, summary, time, mark, audio, video { margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline; } article, aside, details, figcaption, figure, footer, header, menu, nav, section { display: block; } body { line-height: 1; } ol, ul { list-style: none; } table { border-collapse: collapse; border-spacing: 0; } * { box-sizing: border-box; vertical-align: top; } body * { position: relative; } a { text-decoration: inherit; color: inherit; cursor: inherit; } div, span { cursor: inherit; } text { cursor: default; } button, input, textarea { border: 0; margin: 0; } button:focus, input:focus, textarea:focus { outline: none; }