materio-base-d7/sites/all/modules/contrib/files/elfinder/css/elfinder.css

/*
 * elFinder Integration
 *
 * Copyright (c) 2010-2018, Alexey Sukhotin. All rights reserved.
 */

.el-finder-nav ul li {
    background: none;
    padding: 0;
    margin: 0;
}