I don't think clear fixes are needed anymore (http://stackoverflow.com/questions/5704734/clearfix-still-needed), particularly as we're supporting IE9+, could you replace the occurrences here with `overflow: hidden` as in the SO post I linked? 

https://github.com/unepwcmc/NRT/pull/105/files#diff-471157e5fa8e04a8fb3e8f7dc1b46aedR131
https://github.com/unepwcmc/NRT/pull/105/files#diff-471157e5fa8e04a8fb3e8f7dc1b46aedR118
https://github.com/unepwcmc/NRT/pull/105/files#diff-471157e5fa8e04a8fb3e8f7dc1b46aedR100
https://github.com/unepwcmc/NRT/pull/105/files#diff-471157e5fa8e04a8fb3e8f7dc1b46aedR87
https://github.com/unepwcmc/NRT/pull/105/files#diff-471157e5fa8e04a8fb3e8f7dc1b46aedR74
https://github.com/unepwcmc/NRT/pull/105/files#diff-471157e5fa8e04a8fb3e8f7dc1b46aedR61
https://github.com/unepwcmc/NRT/pull/105/files#diff-471157e5fa8e04a8fb3e8f7dc1b46aedR48
https://github.com/unepwcmc/NRT/pull/105/files#diff-471157e5fa8e04a8fb3e8f7dc1b46aedR35
https://github.com/unepwcmc/NRT/pull/105/files#diff-f6f0201b48dc67fa09c7b2d613280926R41
https://github.com/unepwcmc/NRT/pull/105/files#diff-0056d8e15f986fc53d7fa9328f27fe79R64

Thanks!