it doesnt work Options

[aznbaby405]

<!-- begin code provided by createblog.com --><br /><!-- begin code provided by createblog.com --><br />table table table td {vertical-align:top ! important;}<br />span.blacktext12 {<br />visibility:visible !important;<br />background-color:transparent;<br />background-image:url("http://i22.photobucket.com/albums/b335/aznbaby36/banner.jpg");<br />background-repeat:no-repeat;<br />background-position:center center;<br />font-size:0px; letter-spacing:-0.5px;<br />width:435px; height:75px; display:block !important; }<br />span.blacktext12 img {display:none;} <br /><!-- end code provided by createblog.com --><br /><!-- end code provided by createblog.com -->

i wanted to replace the extended banner thing with this code i put it in the about me section and it doesnt work =[