Programmers and people who post about code know that syntax highlighting (code coloring) can help readers differentiate code blocks from other sections of content. Adding that feature to Blogger and BlogSpot posts is just a matter of copy-pasting some JavaScript.
FontAwesome provides an outstanding set of icons for anyone to use on the web, no cost. To use the icons on Blogger: - In your dashboard, go to **Theme**. - Click *Edit HTML*. - Type `CTRL-F` (`CMD-F` on Mac) to do a search. - Type */head* and press `Enter`. - Click to the left of the **</head>** tag to place your mouse cursor there. - Paste in the following code: `<link crossorigin="anonymous" href="https://use.fontawesome.com/releases/v5.7.2/css/all.css" integrity="sha384-fnmOCqbTlWIlj8LyTjo7mOUStjsKC4pOpQbqyi7RrhN7udi9RwhKkMHpvLbHG9Sr" rel="stylesheet"></link>` - Click *Save theme*. That's it. Now, you should be able to use the icons by copy-pasting the codes they provide like this: `<i class="fas fa-user-astronaut"></i>` You can paste that code into an HTML/JavaScript widget or directly add it to posts by using the HTML option in the editor. For optimal use, get the link code [Fo...