# Building Grid Layouts in HTML The problem with [[Bootstrap]] is that it's incredibly bloated. Chrome Lighthouse's biggest complaint when analyzing my landing page was bootstrap.css. Here are some alternatives I quickly found. > I created a new look for https://fsharpforfunandprofit.com. It's a mobile-first theme using flexbox rather than bootstrap. Let me know what you think. Also let me know if you have any display problems on any platform. > — [Scott Wlaschin](https://twitter.com/ScottWlaschin/status/1361398242638979074) - [Flexbox Grid](http://flexboxgrid.com/) - [PureCSS](https://purecss.io/)