#mainbody {
background:#FC0;
width:100%;overflow:hidden; //【任务1】?
}
.left {
width:800px;
height:200px;
background:#000;
float:left;//【任务2】?
}
.right {
width:140px;
height:500px;
background:#690;
float:right;//【任务3】?
}
background:#FC0;
width:100%;overflow:hidden; //【任务1】?
}
.left {
width:800px;
height:200px;
background:#000;
float:left;//【任务2】?
}
.right {
width:140px;
height:500px;
background:#690;
float:right;//【任务3】?
}
#wrap{width:970px; height: 1000px; margin:0 auto;}
#mainbody{ margin-top:15px; position: relative;}
#left{width:110px; float:left; margin-right: 13px; border: solid 1px #999; }
#mid{width:650px;border:1px solid #999; float:left;}
#right{ position: absolute; left: 792px; border:1px solid #999;}
#mainbody{ margin-top:15px; position: relative;}
#left{width:110px; float:left; margin-right: 13px; border: solid 1px #999; }
#mid{width:650px;border:1px solid #999; float:left;}
#right{ position: absolute; left: 792px; border:1px solid #999;}
2016-04-25
结构化标准语言HTML.XML
表现标准语言CSS (文档流, floats. 绝对定位)
行为标准语言DOM,ECMAScript
块,div,ul,li,dl,dt,p
行,span strong,img,input
表现标准语言CSS (文档流, floats. 绝对定位)
行为标准语言DOM,ECMAScript
块,div,ul,li,dl,dt,p
行,span strong,img,input
2016-04-25