Can I write a CSS selector selecting elements NOT having a certain class or attribute?

Question

I would like to write a CSS selector rule that selects all elements that don\'t have a certain class. For example, given the following HTML:

Answer 1

Example

  [class*='section-']:not(.section-name) {
    @include opacity(0.6);
    // Write your css code here
  }

// Opacity 0.6 all "section-" but not "section-name"