css全局样式的使用

/* 禁用iPhone中Safari的字号自动调整 */html {-webkit-text-size-adjust: 100%;-ms-text-size-adjust: 100%;/* 处理IOS默认滑动很卡的情况 */-webkit-overflow-scrolling : touch;}/* 禁止缩放表单 */input[type=“submit”], input[type=“reset”], input[type=“button”], input {resize: none;border: none;}/* 取消链接高亮 */body, div, ul, li, ol, h1, h2, h3, h4, h5, h6, input, textarea, select, p, dl, dt, dd, a, img, button, form, table, th, tr, td, tbody, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {-webkit-tap-highlight-color: rgba(0, 0, 0, 0);}/* 设置HTML5元素为块 */article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {display: block;}/* 图片自适应 */img {width: 100%;height: auto;width: auto\9; /* ie8 */display: block;-ms-interpolation-mode: bicubic;/*为了照顾ie图片缩放失真*/}/* 初始化 */body, div, ul, li, ol, h1, h2, h3, h4, h5, h6, input, textarea, select, p, dl, dt, dd, a, img, button, form, table, th, tr, td, tbody, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {margin: 0;padding: 0;font-size: 14px;}body {font: 12px/1.5 ‘Microsoft YaHei’,‘宋体’, Tahoma, Arial, sans-serif;color: #555;background-color: #F7F7F7;}em, i {font-style: normal;}ul,li{list-style-type: none;}strong {font-weight: normal;}.clearfix:after {content: “”;display: block;visibility: hidden;height: 0;clear: both;}.clearfix {zoom: 1;}a {text-decoration: none;color: #969696;font-family: ‘Microsoft YaHei’, Tahoma, Arial, sans-serif;}a:hover {text-decoration: none;}ul, ol {list-style: none;}h1, h2, h3, h4, h5, h6 {font-size: 100%;font-family: ‘Microsoft YaHei’;}img {border: none;}input{font-family: ‘Microsoft YaHei’;}/*单行溢出*/.one-txt-cut{overflow: hidden;white-space: nowrap;text-overflow: ellipsis;}/*多行溢出 移动端使用*/.txt-cut{overflow : hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-box-orient: vertical;}/* 手机端点击a链接出现蓝色背景问题处理 */a:link,a:active,a:visited,a:hover {background: none;-webkit-tap-highlight-color: rgba(0,0,0,0);-webkit-tap-highlight-color: transparent;}.w50{width: 50%;}.w25{width: 25%;}.w20{width: 20%;}.w33{width: 33.333333%;}.fl{float: left;}.fr{float: right;}.db{display: block !important;}.dn{display: none;}