<!DOCTYPE?HTML?PUBLIC?"-//W3C//DTD?HTML?4.01?Transitional//EN"
????????"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
????<title></title>
????<style?type="text/css">
????????#div1{
????????????width:?200px;
????????????height:?200px;
????????????background-color:?#4061f5;
????????}
????????#div2{
????????????width:?300px;
????????????height:?300px;
????????????background-color:?#eff57b;
????????}
????????#div3{
????????????width:?200px;
????????????height:300px;
????????????background-color:?#f52e16;
????????}
????????#div4{
????????????width:?100px;
????????????height:?100px;
????????????background-color:?#70f5b1;
????????}
????????#div5{
????????????width:?100px;
????????????height:?100px;
????????????background-color:?#f595a6;
????????}
????????#div6{
????????????width:?100px;
????????????height:?100px;
????????????background-color:?#c500f5;
????????}
????????#div7{
????????????border:?1px?solid?saddlebrown;
????????????width:?50px;
????????????height:?50px;
????????????background-color:?#f5783a;
????????????position:?fixed;
????????}
????????div{
????????????margin:0;
????????????padding:?0;
????????}
????</style>
</head>
<body>
<div?id="div1">1</div>
<div?id="div2">2
????<div?id="div4">4</div>
????<div?id="div5">5</div>
????<div?id="div6">6</div>
</div>
<div?id="div3">3</div>
<div?id="div7"></div>
</body>
</html>
為什么fixed后，DIV7消失了，怎么顯示出來？
慕粉15181338995
2016-06-24 10:51:09
