- Please revisit line height right now it’s inconsistent, to improve readability in web design it’s recommend to use 1.5em of line height, you can use this tool: http://pxtoem.com/ to convert px to em’s. 2. SPACING ISSUES: Many of the elements in the template are not aesthetically spaced. 3. READABILITY: Parts of your design are either difficult to read or have contrast issues. Please make sure all sections of your design have adequate contrast and all text is easily readable on all devices. 4. Please collapse all the groups and layers effects in your PSD files.