I came across a familiar issue last week when fixing some css bugs for a particular project, where SVG background images appeared to be squished in IE. The problem occurred wherever I had used an SVG as a css background image and scaled it with the background-size…
As of Internet Explorer 10 conditional comments are no more, but what if you have an edge case where you really need to specifically target IE10. An .ie10 CSS class at the top level would still be really useful.