The article is about css会傲，there are five things you need to know.
you don't need a naming convention.
because all selectors exist in the same global namespace, over time it becomes very likely that you'll run into unexpected side effects such as selectors targeting elements that you didn't intend, or selectors being overridden by other selectors. So, we have side-stepped these issues with methodologies(OOCSS, SMACSS, or more popular BEM) that define naming conventions to help us avoid class name collisions;you don't need float
flexbox is a wonderful module layoutyou don't need a grid framework
you can use css grid layoutyou don't need a preprocessor
Modern browsers now have native support for CSS variable ** and ** calc(). Other feature such as color modifications, and mixins are not far behind.
PortCSS is a "tool for transforming CSS with Javascript"找田，Use tomorrom's CSS, today
Babel：Use next generation Javascript池颈， today.you don't need css
you can style web applications without ever writing a single .css file.
you can use jss and styled-components
