ul.markdown-toolbar {
  height: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
ul.markdown-toolbar li {
  float: left;
  width: 18px;
  height: 18px;
  border: solid 1px #505050;
  overflow: hidden;
  margin: 0 2px 0 0;
  text-indent: -3000px;
  font-size: 1px;
}
ul.markdown-toolbar li.bold { background-image: url(/images/icons/markdown/bold.gif); }
ul.markdown-toolbar li.emphasized { background-image: url(/images/icons/markdown/emphasized.gif); }
ul.markdown-toolbar li.h3 { background-image: url(/images/icons/markdown/h3.gif); }
ul.markdown-toolbar li.h4 { background-image: url(/images/icons/markdown/h4.gif); }
ul.markdown-toolbar li.link { background-image: url(/images/icons/markdown/link.gif); }
ul.markdown-toolbar li.image { background-image: url(/images/icons/markdown/image.gif); }