CSS Rendering inconsistency on ul with Firefox being the odd ball out

Question

Background

I was creating a secondary navigation menu using embedded unordered lists with anchors and headers. Using a CSS reset sheet all headers and anchors are set

Answer 1

hotfix:

.dpe-flexible-posts li::before{
    content: '●';
    position: absolute;
    left: -14px;
    top: -1px;
}
.dpe-flexible-posts li{
    list-style-type: none;
    position: relative;
}