كيف اغير الكود

[table width="90%" align="center" border="0" cellpadding="0" cellspacing="1"][tr][td]
[/td][/tr][tr][td class="code"]
.postbody{font-size:16px;font-weight:700}
    .postbody img{max-width:650px}
    hr{-moz-border-radius:7px;
    background:url(http://im23.gulfup.com/2012-07-25/1343175056465.png);
    border:1px solid #fff;
    border-top-width:1px;
    height:5px
    }
    /*-----mytet1-----*/
    .poster-profile{
    -moz-border-radius-bottomleft:4px;
    -moz-border-radius-bottomright:4px;
    -moz-border-radius-topleft:4px;
    -moz-border-radius-topright:4px;
    background-image:url(http://im28.gulfup.com/2012-08-04/1344045905871.jpg);
    border:1px dotted #000000;
  [color=Black] border-bottom:medium solid [/color][size=9][color=Black][b]#000099[/b][/color][/size][color=Black];
    border-top:medium solid [/color][size=9][color=Black][b]#000099[/b][/color][/size][color=Black];[/color]
    display:block;font-size:11px;font weight:700;margin:3px;padding:7px}[/td][/tr][/table]