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; }

/* 可选：将整个页面的行高设为 1倍 */

/*body { line-height: 1; }*/

ul,li,ol,li { list-style: none; }


table {	border-collapse: collapse; border-spacing: 0;}
a { text-decoration: none; color: inherit; }

/* 解决div内插入图片的下缝隙bug */


div img { display: block; }

/* 万能清除法 */
.clearfix:after { display: block; content: ""; width: 0; height: 0; visibility: hidden; clear: both; }

/* 垂直居中 */
.ghost-center:after { display: inline-block; height: 100%; width: 0%; visibility: hidden; vertical-align: middle; content: ""; }
.ghost-center-target { display: inline-block; vertical-align: middle; }