table.tree-table td {
    vertical-align: middle !important;
}

tr.level2 > td:first-child {
    padding-left: 24px !important;
}

tr.level3 > td:first-child {
    padding-left: 40px !important;
}

tr.level4 > td:first-child {
    padding-left: 56px !important;
}

.folder-arrow {
    margin-right: 8px;
}

tr.publisher {
    background: #eee;
}

tr.folder {
    cursor: pointer;
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
    -khtml-user-select: none; /* Konqueror HTML */
    -moz-user-select: none; /* Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none; /* Non-prefixed version, currently supported by Chrome and Opera */
}