css 注意事项

 纯字母数字换行  word-wrap:break-word;table-layout:fixed;word-break:break-all;

强制不换行  white-space:nowrap;

table边框 border-collapse:collapse;

input 标签和文字不平行 vertical-align:middle;

上下左右居中CSS3 【display: -webkit-box;display: -ms-flexbox;display: -webkit-flex;display: flex;-webkit-box-pack: center;-ms-flex-pack: center;-webkit-justify-content: center;justify-content: center;-webkit-box-align: center;-ms-flex-align: center;-webkit-align-items: center;align-items: center;】

透明度 filter:progid:DXImageTransform.Microsoft.Alpha(Opacity=100) !important; -khtml-opacity: 1 !important;-moz-opacity:1 !important;filter:alpha(opacity=100) !important;opacity:1 !important;zoom: 1;