相信如果您动手写过网页的话,应该体会到有些标签会自带一些默认的样式,而这些样式或许又是我们不想要的,所以我们可以用以下代码清除所有标签的默认样式
html, body, div, span, applet,
object
, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
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, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
margin:
0
;
padding:
0
;
border:
0
;
font
-
size:
100
%
;
font: inherit;
vertical
-
align: baseline;
}
/
*
HTML5 display
-
role reset
for
older browsers
*
/
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
display: block;
}
body {
line
-
height:
1
;
}
ol, ul {
list
-
style: none;
}
blockquote, q {
quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
content: '';
content: none;
}
table {
border
-
collapse: collapse;
border
-
spacing:
0
;
}