.................. WORDFLY FEATURE .................. I want to add the code that will allow me to "Scale on mobile", "Hide on mobile" and "Hide on desktop". For emails "WordFly 3.0.0.523" or earlier .................. SOLUTION .................. STEP 1. Open the HTML Editor at the bottom of your email. STEP 2. Scroll down to the general utility classes section: /* general utility classes */ Can't find it? Click in the HTML editor. Hit Control-F to search for general STEP 3. Replace this code: div.clear { clear: both; } .no-wrap { white-space: nowrap; } With this code: div.clear { clear: both; } .no-wrap { white-space: nowrap; } .desktop-hide { display: none; max-height: 0; visibility: hidden; } STEP 4. Scroll down to the media queries section: Can't find it? Click in the HTML editor. Hit Control-F to search for @media STEP 5. Replace this code (your code might not be an exact match): With this code: