`postcss-flex-value` is a plugin of [postcss](https://postcss.org/), it transforms flex's "start" to "flex-start" to avoid issue like [start value has mixed support, consider using flex-start instead](https://github.com/mozilla/addons-frontend/issues/7312
PostCSS plugin This project tries to fix all of flexbug's issues
Transforms css values and at-rule params into the tree
Use the unset keyword in CSS.
PostCSS plugin postcss-page-break to fallback `break-` properties with `page-break-` alias
Use round, rem and mod functions in CSS
Ensure values are ordered consistently in your CSS.
PostCSS plugin to replace overflow-wrap with word-wrap or optionally retain both declarations.
Reduce initial definitions to the actual initial value, where possible.
PostCSS plugin for Flexibility polyfill
PostCSS plugin to discard overridden @keyframes or @counter-style.
Declare a list of custom properties in a single at-property rule
Use logical overscroll behavior properties and values in CSS
Use flow-relative (inline-start and inline-end) values for float and clear
Use vb and vi length units in CSS
Use logical overflow properties and values in CSS
Tool for transforming styles with JS plugins
Minify gradient parameters with PostCSS.
Exclude/warn on duplicated PostCSS plugins.
Use the syntax production in syntax descriptors
Detective to find dependents of CSS (PostCSS dialect)
Search CSS(-like) strings
PostCSS plugin to fallback initial keyword.
Correctly declare progressive enhancements for CSS Custom Properties.