horizontal custom scroll with https://github.com/malihu/malihu-custom-scrollbar-plugin
$scrollBox.mCustomScrollbar({
axis:'y',
horizontalScroll: true,
advanced:{ // Advanced options
autoScrollOnFocus: false,
updateOnContentResize: true, // Scrollbar will be updated on content resize
updateOnBrowserResize: true // Scrollbar will be updated on browser resize
}
});