代码编辑器：
x
1
2
<meta charset="utf-8"><link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/>3
<style>4
div5
{6
border:15px solid transparent;7
width:250px;8
padding:10px 20px;9
}10
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#round12
{13
border-image:url(/static/i/css3/border.png) 30 30 round; /* Safari 5 and older */14
border-image:url(/static/i/css3/border.png) 30 30 round; /* Opera */15
border-image:url(/static/i/css3/border.png) 30 30 round;16
}17
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#stretch