@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("facebook.com") {
.uiStreamMessage .messageBody {
  line-height: 16px !important;
  font-size: 13px !important;
}
.uiStreamMessage 
{
  font-size: 13px !important;
}

.mall_post_image_block_content
{
  font-size: 13px !important;
}
}