html .mceContentBody {
    max-width: 580px;
}

body.mcecontentbody{
font-family:Microsoft YaHei,SimHei,Arial, Helvetica, Georgia, Sans-serif;
font-size: 12px;
}

.post{
background:#F4FEFF;
margin: 5px 0 5px 0px;
border:1px solid #009ef9;
font-family:Microsoft YaHei,SimHei,Georgia, Sans-serif;
}

span.author{
margin:8px;
padding:0 0 2px 0;
border-bottom:1px solid blue;
}

.post-content{
line-height: 18px; 
padding:8px 11px 8px 8px;
}