How Can I Make My Sidebar To Have White Background Instead Of Plain Background Display Inside?

Blogging
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1

Have been finding it cumbersome to add white background inside the sidebar of the widget under my post like ogbongeblog …as seen below

2

See this : http://www.ogbongeblog.com/2017/08/add-spaces-between-widgets-on-blogger-emporio-theme-sidebar.html

3

Sir, I didn.t mean to add space to it. I meant to add WHITE BACKGROUND inside the sidebar instead of plain as illustrated above. (see where the arrow indicate) sir.

4

Sir, I’m waiting for your response