常用工具样式

tool.css

/********清除浮动塌陷********/

/*
 *  reference:
 *      1.http://nicolasgallagher.com/micro-clearfix-hack/
 *      2.http://www.qianduan.net/new-clearfix.html
 *      3.http://stackoverflow.com/questions/8554043/what-is-clearfix
 *
 */
 
/*方法一,推荐*/
.clearfix:after{content: '.';clear: both;display: block;height: 0;visibility: hidden;line-height: 0;}
.clearfix{*zoom: 1;}/* For IE 6/7 only Include this rule to trigger hasLayout and contain floats.*/

/*方法二*/
.clearhidden{overflow: hidden;*zoom: 1;}

/*方法三*/
.clearauto{overflow: auto;*zoom: 1;}


/******页面元素固定********/
.affix {
     position: fixed;
}
/******左浮动********/
.pull-left{
    float:left;
}
/******右浮动********/
.pull-right{
    float:right;
}
/******显示********/
.show {
     display: block;
}
/******隐藏********/
.hide {
     display: none;
}
/****block元素居中****/
.b-center{
    margin:0 auto;
}