حاولت كثير و لم انجح سااعدوني

/*-----mytet1-----*/
.postbody{font-size:16px;font-weight:700}
.postbody img{max-width:650px}
hr{-moz-border-radius:7px;
background:url(http://im23.gulfup.com/2012-07-22/1342987643401.png);
border:1px solid #fff;
border-top-width:1px;
height:5px
}
/*-----mytet1-----*/
.poster-profile{
-moz-border-radius-bottomleft:8px;
-moz-border-radius-bottomright:8px;
-moz-border-radius-topleft:8px;
-moz-border-radius-topright:8px;
background-image:url(http://im23.gulfup.com/2012-07-22/1342987643401.png);
border:1px dotted #5ebac9;
border-bottom:medium solid #f452ee;
border-top:medium solid #5e97ff;
display:block;font-size:11px;font weight:700;margin:3px;padding:7px}

body
{
background-image:url('رابط الصوره');

}