apps/image-editor/src/css/icon.styl

/* ICON */
.{prefix}-container
    .tie-icon-add-button .{prefix}-button
        min-width: 42px;
    .svg_ic-menu
    .svg_ic-helpmenu
        width: 24px;
        height: 24px;
    .svg_ic-submenu
        width: 32px;
        height: 32px;
    .svg_img-bi
        width: 257px;
        height: 26px;

    .{prefix}-help-menu
    .{prefix}-controls
        svg > use
            display: none;
        .enabled svg:hover > use.hover
        .normal svg:hover > use.hover
            display: block;
        .active svg:hover > use.hover
            display: none;
        .on svg > use.hover,
        .opened svg > use.hover
            display: block;
        svg > use.normal
            display: block;
        .active svg > use.active
            display: block;
        .enabled svg > use.enabled
            display: block;
        .active svg > use.normal,
        .enabled svg > use.normal
            display: none;
        .help svg > use.disabled,
        .help.enabled svg > use.normal
            display: block;
        .help.enabled svg > use.disabled
            display: none;

    .{prefix}-controls:hover
        z-index: 3;