float学习笔记_html/css_WEB-ITnose
float 系统学习
- float的原本作用是产生文字环绕效果
- float可以产生包裹、隔绝的效果( BFC)、破坏性
其他具有包裹性质的属性
display : inline-block table-cellposition: absolute/fixed/sticky???overflow: hidden/scroll
什么是破坏性
父元素的高度塌陷
其他具有破坏性的属性
display: noneposition: absolute/fixed/sticky
清除浮动(放在浮动元素的父元素上)
- clear
- bfc
clearfix的代码
.clearfix:after { content: ''; display: block; height: 0, overflow: hidden; clea r: both;}.clearfix { *zoom:1}/*兼容IE6、7*//****************方式二*******************/.clearfix:after { content: ''; display: table; clear: both;}.clearfix { zoom:1;}
BFC
float: left/rightposition: absolute/fixedoverflow: hidden/scrolldisplay: inline-block/tabel-cellwidth/height/zoom:1(*IE6/IE7*)
浮动可以用来去除元素之间的空格
‘ ’;的空格可能会对布局造成影响因为‘‘‘ ’;当做普通文本来显示了
浮动与流体布局
???高端的
float
display: inline-block

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