.file-browser ul {
    list-style: none;
    margin: 0;
    padding-left: 1em;
}

.file-browser li {
    margin: 0.2em 0;
}

/* Icons */
.fb-icon {
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-right: 0.3em;
}

/* Hide open folder by default */
.fb-folder-icon[data-state="open"] {
    display: none;
}

/* Swap icons when folder is open */
.fb-dir.open  > h5 .fb-folder-icon[data-state="closed"] {
    display: none;
}
.fb-dir.open > h5 .fb-folder-icon[data-state="open"] {
    display: inline;
}

/* Hide children by default */
.fb-dir > ul {
    display: none;
    margin-left: 1em;
}

.fb-dir.open > ul {
    display: block;
}