title: How to add semi-transparent highlight to text?
body: <p>I am trying to figure out how to add some semi-transparent highlighting to text and have be able to change it's color. I have see it quite a bit lately and am wondering what would be the best way to go about it. So basically the highlight is like a selection highlight but being visible all of the time. <img src="https://i.stack.imgur.com/Siuqu.png" alt="An example of highlighted text"></p>
  
  <p>Can anyone help me out with this? Thanks.</p>