title: How to make my background opacity 0.7 without affecting the stuff inside it?
body: <p>I have 2 divs (outer one id = "BD")(inner one id = "content"). I am trying to make the background-color of my BD be less opaque, yet everything inside my content becomes less opaque as well, the images and texts. </p>
  
  <p>How can i solve this?</p>