Hello, and welcome to Sitepoint 
It's nearly always better to use background images rather than list-style-image as they are positioned much more consistently cross-browser, I float the li items so that they are block level and are easier to control. We just give the element a little left padding as well to move it out of the way of the background image.
Code:
<ul id="bottom_links">
<li><a href="#">asdasdf</a></li>
<li>asdasdf</li><li>asdasdf</li>
</ul>
Code:
#bottom_links {
margin:0;
padding:0;
list-style: none;
}
#bottom_links li {
float: left;
background-image:url(../images/bottom_link_arrow.gif) no-repeat 0 0;
padding-left: 10px;
}
Hope it helps
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