[vimarc]

I tried to add following css code in additional css template but not working.. pl suggest

.firstpost_advert_container {
clear: both;
display: block;
float: left;
margin-bottom: 12px;
position: relative;
width: 100%;
border: 1px solid #E5E6F4;
}

.firstpost_advert {
with: 100%;
background: #F1F1FA;
border: 1px solid #fff;
min-height: 90px;
margin: 0;
padding: 7px;
text-align: center;
vertical-align: middle;
}