box-sizing:border-box; not support by firefox 20.0 build version for android
It needs to be prefixed with -moz- according to https://developer.mozilla.org/en-US/docs/CSS/box-sizingRead this answer in context 1
Additional System Details
- Shockwave Flash 10.3 r185
- User Agent: Mozilla/5.0 (Android; Mobile; rv:20.0) Gecko/20.0 Firefox/20.0
Did this work in 19? If so, this sounds like a regression. Would you mind filing a bug, if you're comfortable with Bugzilla? Otherwise we'll go ahead and file it.
It needs to be prefixed with -moz- according to https://developer.mozilla.org/en-US/docs/CSS/box-sizing
thanks its works firefox android mobile version -moz-box-sizing: border-box;