CSS Validation for https://news.ycombinator.com/news.css

Use the online CSS validator to check for w3c parse errors, warnings, and unsupported properties

Analyze CSS Complexity

Sorry! We found the following errors (6)

26 .nosee Property pointer-events doesn't exist : none
66 Feature -webkit-min-device-pixel-ratio doesn't exist for media screen ), only screen and (min-device-pixel-ratio: 2) { .votearrow { background-size: 10px; background-image: url("grayarrow2x.gif"); } }
76 .rotate180 attempt to find a semi-colon before the property name. add it
76 .rotate180 Property progid doesn't exist : DXImageTransform
76 .rotate180 Parse Error DXImageTransform.Microsoft.Matrix(M11=-1, M12=0, M21=0, M22=-1, DX=0, DY=0, SizingMethod='auto expand');
77 .rotate180 Parse Error }

Warnings (9)

69 Property -webkit-transform is an unknown vendor extension
70 Property -moz-transform is an unknown vendor extension
71 Property -o-transform is an unknown vendor extension
72 Property -ms-transform is an unknown vendor extension
84 Property -webkit-text-size-adjust is an unknown vendor extension
117 Property -webkit-transform is an unknown vendor extension
118 Property -moz-transform is an unknown vendor extension
119 Property -o-transform is an unknown vendor extension
120 Property -ms-transform is an unknown vendor extension