Typo in impact media description
Merge branch 'hotfix/typo' into develop

* hotfix/typo:
  Typo in impact media description
Bugfix for experience bgs in firefox. Optimised heading background
Merge branch 'hotfix/crossbrowser-issue' into develop

* hotfix/crossbrowser-issue:
  Bugfix for experience bgs in firefox. Optimised heading background