Hi again,
To change the background color of the sub menu, simply replace the previous code with the following code:
.masthead-inline .x-navbar .desktop .sub-menu {
min-width: 200px;
left: 0;
right: auto;
background: #ce6521 !important;
}
If you would like to learn CSS, I am sharing few resources that you take a look to get started with CSS and an interesting tool that you can use to speed up the development process.
I recommend you to watch following video that will help you to get started with CSS.
https://www.youtube.com/watch?v=MFR4WXiLzpc
Sometimes it can get a bit difficult to find out the right selector to be able to write the required CSS codes. A handy tool that can help you in this is Google Chrome dev tools. I am sharing the resource that you can refer to get started with dev tools.
https://developers.google.com/web/tools/chrome-devtools/css/
https://developers.google.com/web/tools/chrome-devtools/
https://www.youtube.com/watch?v=tP_kXBJWPhQ&t=200s
Don’t forget to clear all caches including your browser’s cache after adding the code. Let us know how this goes!