SDK section on Firefox

[piotrek6641]

SDK section doesn't load at all when using firefox. All other sections works fine. After changing browser the issue dissapears.

[piotrek6641]

Also noticed that entering SDK section doesn't set HTML title so it takes previous value

[Witold-Pruchnicki]

This issue is connected with code highlighter code-hike/codehike#340. I will try to find alternative