<html xmlns="http://www.w3.org/1999/xhtml"> <head> <mce:style><!-- .rtop, .rbottom{ display:block; background:white;} .rtop *, .rbottom *{ display:block; height:1px; overflow:hidden; background:lightgrey;} .r1{margin:0 5px;} .r2{margin:0 3px;} .r3{margin:0 2px;} .r4{margin:0 1px; height:2px;} --></mce:style><style mce_bogus="1">.rtop, .rbottom{ display:block; background:white;} .rtop *, .rbottom *{ display:block; height:1px; overflow:hidden; background:lightgrey;} .r1{margin:0 5px;} .r2{margin:0 3px;} .r3{margin:0 2px;} .r4{margin:0 1px; height:2px;}</style> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> </head> <body> <div style="background:lightgrey;" mce_style="background:lightgrey;"> <b class="rtop"> <b class="r1"></b><b class="r2"></b><b class="r3"></b><b class="r4"></b> </b> <div style="padding:20px;" mce_style="padding:20px;">plate rounded div</div> <b class="rbottom"> <b class="r4"></b><b class="r3"></b><b class="r2"></b><b class="r1"></b> </b> </div> </body> </html>