problem with Suffix class CSS - Joomla! Forum - community, help and support

hello,

i created site several suffix of class css presentation of different colored pages.
in css create class :

code: select all

/* ps3 */

.contentpaneopen-ps3 {
background: url(../images/fondps3.jpg) center repeat-y;
height:auto;
border:#9faac0 solid 1px;
width:690px;
margin:auto;
}

.contentheading-ps3{
color:#fff;
font-size:14px;
font-weight:bold;
text-align:left;
background: url(../images/690ps3.gif) no-repeat;
border: 0px;
width:690px;
height:25px;

my problem have border appears around image of track when specified in contentheading: border: 0px;
i tried various solutions can not rid of border.
have track enlighten me?
thanks.

if firefox firebug extension, it'll tell line number , filename(s) of css file controlling renderings can fix it.