Apply css to all element except one who has specific parent

Question

I want to apply CSS to all pages except sidebars. Let me show you an example

.page #buddypress ul.group li

Answer 1

Try this code

div:not(.sidebar) ul.group li {
  border: 1px solid red;
}
// Here i have used div, but you can use whatever tag you have used for sidebar

  

    

      
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