hannah1116的博客

一、

摘自阮一峰老师的博客 http://www.ruanyifeng.com/blog/2014/02/css_transition_and_animation.html transition /**简写**/ img1{ transition: 1s 1s height ease; } /**完整写法**/ img2{ transition-property: heig...

摘自阮一峰老师的博客 http://www.ruanyifeng.com/blog/2015/07/flex-grammar.html  .box{ display: flex; /* display: inline-flex; */ /* display: -webkit-flex; */ } .box { /*垂直居中*/ display: flex; just...