- responsiveness: breakpoints at 500 and 1000px
- lightweight: importing necessary Bootstrap CSS components only
- color-friendliness: blue/gold instead of blue/pink
- consistency across different browsers
- ease of use: widely using bs sass variables for styles
- added webmanifest to make a progressive web app (installability not tested yet)
- dependencies (jQuery etc.) are now included
- reduced dependency size by importing Bootstrap's modal.js only instead of bootstrap.js