function styleForCategoryHovermode(bandElement) {
    // Get all bands in the current category
    var bandSel = d3.select(bandElement.parentNode).selectAll('rect.bandrect');

    // Raise and style paths
    bandSel.each(function(bvm) {
        var paths = selectPathsThroughCategoryBandColor(bvm);
        stylePathsHover(paths);
        paths.each(function() {
            // Raise path to top
            Lib.raiseToTop(this);
        });
    });

    // Style category
    styleCategoryHover(d3.select(bandElement.parentNode));
}
Perform hover styling for all paths that pass though the specified band element's category

@param {HTMLElement} bandElement
 HTML element for band