Hi Evann .A,
Thanks for reaching to us.
1. Arrow
Navigate to Theme Settings > Typography > Advanced. In this area, you can assign elements to below Custom Class:
.wd-nav[class*="wd-style-"]>li:is(.wd-has-children,.menu-item-has-children)>a.woodmart-nav-link:after
Please refer to our documentation https://xtemos.com/docs-topic/advanced-typography-settings/
2. Background color
Please add the below Custom CSS code to Theme Settings > Custom CSS > Global Custom CSS:
div.wd-dropdown{
background-color: #fff;
}
3. Texts’s font-size, colors
Navigate to Theme Settings > Typography > Advanced. In this area, you can assign elements to menu items elements.
Regards,
Hung PD