w3c
css checked checkbox hack
https://www.thecssninja.com/demo/css_tree/
https://css-tricks.com/the-checkbox-hack/
https://css-tricks.com/almanac/properties/t/transition/
http://timpietrusky.com/advanced-checkbox-hack
css 网站
https://css-tricks.com/box-sizing/
静态博客
https://vuepress.vuejs.org/zh/
css 动画
https://css-tricks.com/iron-mans-arc-reactor-using-css3-transforms-and-animations/
modal实现
https://css-tricks.com/sticky-as-a-local-fixed/
css 变量
https://css-tricks.com/theming-with-variables-globals-and-locals/
https://gumroad.com/l/lwaUh
https://medium.freecodecamp.org/everything-you-need-to-know-about-css-variables-c74d922ea855
autofixer
http://pleeease.io/play/
https://autoprefixer.github.io/
布局样式
https://mediaqueri.es/lyc/
https://mediaqueri.es/neo/
https://mediaqueri.es/mod/
https://mediaqueri.es/owl/
https://mediaqueri.es/ala/
http://foodsense.is/
https://mediaqueri.es/ffg/
https://www.kaemingk.com/en/
