eb78c8e092
WordPress no longer supports many old old browsers: https://make.wordpress.org/core/2017/04/23/target-browser-coverage/ This also removes alot of no longer necessary CSS. It served us well, but we are never getting back together with IE8,9,10. So, in the (paraphrased) words of Taylor Swift: I remember when we dropped support the first time Saying, "This is it, I've had enough, " 'cause like We hadn't seen many users in a month When you said you needed flexbox. (What?) Then you postMessage again and say "IE8, I miss you and I swear I'm gonna change, trust me." Remember how that lasted for a day? I say, "I hate the box model, " we break up, you call me, "I love css-grids." Ooh, we called it off again last night But ooh, this time I'm telling you, I'm telling you We are never ever ever supporting IE 8,9,10, We are never ever ever supporting IE 8,9,10, You go talk to EDGE, talk to my FIREFOX, talk to CHROME But we are never ever ever ever getting back together Like, ever... Fixes #37651. Props stunnedbeast, netweb, jorbin. git-svn-id: https://develop.svn.wordpress.org/trunk@41062 602fd350-edb4-49c9-b593-d223f7449a82