When we add a snippet of code into our blogpost it is not recognized as code, but it's shown as plain text. We had to hack Webflow by adding a JavaScript lib for a H6 text style. When we want a piece of text to eb highlighted we need to set it as H6 and write for example css or html in front of the snippet so the JavaScript would recognize the correct highlighting. Please just do it the way Medium does - code auto recognition is the best UX.