/*set background color and border for entire UL */
.menuPrincipal .e-horizontal {
background-color:#3b5065;
border: solid gray 2px;
color: lightgray;
}
</code>
You can generate personalized theme colors for our controls using theme studio support. It will allow you to customize the color for all Syncfusion Essential Javascript controls and generates a custom CSS file to download. Please refer the following link,
http://js.syncfusion.com/themestudio/
Please let us know if you have any other queries.
Regards,
Ezhil S