body
has 默认情况下 8px
边距:http://www.w3.org/TR/CSS2/sample.html
body {
margin: 0; /* Remove body margins */
}
或者你可以使用这个有用的全局重置
*,
*::before,
*::after {
margin: 0;
padding: 0;
box-sizing: border-box;
}
如果你想要更少的东西*
global:
html, body, body div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, figure, footer, header, hgroup, menu, nav, section, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
outline: 0;
font-size: 100%;
vertical-align: baseline;
background: transparent;
}
其他CSS重置:
http://meyerweb.com/eric/tools/css/reset/
https://github.com/necolas/normalize.css/
http://html5doctor.com/html-5-reset-stylesheet/
…