<html?lang="zh">
<head>
<meta?charset="utf-8">
<title>壹個符號</title>
<style>
?#wrap?{
? width:?202px;
? height:?202px;
?}
?.div?{
? width:?100px;
? height:?100px;
? float:?left;
? text-align:?center; ?
?}
?.div?span?{
? display:?block;
? margin-top:?41px;
?}
?#div1?{
? border-left:?1px?solid?rgb(0,?0,?0);
? border-bottom:?1px?solid?rgb(0,?0,?0);
?}
?#div2?{
? margin-left:?-1px;
? border-top:?1px?solid?rgb(0,?0,?0);
? border-left:?1px?solid?rgb(0,?0,?0);
?}
?#div3?{
? border-right:?1px?solid?rgb(0,?0,?0);
? border-bottom:?1px?solid?rgb(0,?0,?0);
?}
?#div4?{
? margin-top:?-1px;
? border-top:?1px?solid?rgb(0,?0,?0);
? border-right:?1px?solid?rgb(0,?0,?0);
?}
</style>
</head>
<body>
<div?id="wrap">
<div?id="div1"?class="div"><span>1</span></div>
<div?id="div2"?class="div"><span>2</span></div>
<div?id="div3"?class="div"><span>3</span></div>
<div?id="div4"?class="div"><span>4</span></div>
</div>
</body>
</html>