.tsugi-lessons-module-videos {
    list-style:none;
    margin-top: 10px;
    margin-bottom: 20px;
}

.tsugi-lessons-module-videos::before {
    background-image: url('icons/n_videos.png');
    background-size: 2em 2em;
    display: inline-block;
    width: 2em;
    height: 2em;
    content:"";
    margin-right: 11px;
    vertical-align: middle;
}

.tsugi-lessons-module-video {
    list-style:none;
}
.tsugi-lessons-module-video a::before{
        font-family: "Font Awesome 5 Free"; font-weight: 900; content: "\f144";
        padding-right: 3px;
}

.tsugi-lessons-module-slides {
    list-style:none;
    margin-top: 10px;
    margin-bottom: 20px;
}

.tsugi-lessons-module-slides::before {
    background-image: url('icons/n_slides.png');
    background-size: 2em 2em;
    display: inline-block;
    width: 2em;
    height: 2em;
    content:"";
    margin-right: 11px;
    vertical-align: middle;
}

.tsugi-lessons-module-slide {
    list-style:none;
}

.tsugi-lessons-module-slide a::before{
        font-family: "Font Awesome 5 Free"; font-weight: 900; content: "\f1c4";
        padding-right: 3px;
}

.tsugi-lessons-module-reference {
    list-style:none;
}

.tsugi-lessons-module-references {
    list-style:none;
    margin-top: 10px;
    margin-bottom: 20px;
}

.tsugi-lessons-module-references::before {
    background-image: url('icons/n_references.png');
    background-size: 2em 2em;
    display: inline-block;
    width: 2em;
    height: 2em;
    content:"";
    margin-right: 11px;
    vertical-align: middle;
}

.tsugi-lessons-module-reference a::before{
        font-family: "Font Awesome 5 Free"; font-weight: 900; content: "\f15c";
        padding-right: 3px;
}

.tsugi-lessons-module-ltis {
    list-style:none;
    margin-top: 10px;
    margin-bottom: 20px;
}

.tsugi-lessons-module-ltis::before {
    background-image: url('icons/n_ltis.png');
    background-size: 2em 2em;
    display: inline-block;
    width: 2em;
    height: 2em;
    content:"";
    margin-right: 11px;
    vertical-align: middle;
}

.tsugi-lessons-module-lti {
    list-style:none;
}

.tsugi-lessons-module-lti::before{
        font-family: "Font Awesome 5 Free"; font-weight: 900; content: "\f5ab";
        padding-right: 3px;
}