Hello guys,

You can use

.zoomtimeline.mode-yearslist.first-item-active .details-container .diamond-arrow-left, .zoomtimeline.mode-yearslist.last-item-active .details-container .diamond-arrow-right{
display:none;
}

To hide the prev / next arrows for the timeline do not loop

Thanks
Radu

Make sure to use the color_highlight shortcode attribute

[zoomtimeline mode="mode-3dslider" item_width="150" item_height="300" post_type="timeline_items" cat="all" date_format="default" skin="skin-light" desc_length="100" mode_slider_variation_content_position="top" mode_slider_variation_hexa_mode="inshow" order="desc" order_by="date" strip_shortcodes="on" strip_html="on" circuit_the_timeline="on" mode_yearslist_start_from_left="off" color_highlight="#00ff00" start_item="1"]