flexibility2.0.1Use Flexbox while supporting older Internet Explorers
flexiblegs-css5.6.0Flexible Grid System CSS
react-virtualized9.22.5React components for efficiently rendering large, scrollable lists and tabular data
placeholder-loading0.6.0Simple and flexible, css only, content placeholder loading animation.
primeflex3.3.1PrimeFlex is a lightweight responsive CSS utility library to accompany Prime UI libraries and static webpages as well.