fix(fab): center fab icon on safari
fix(fab): center fab icon on safari

Closes #146

AbraaoAlves/ionic,TillaTheHun0/ionic,driftyco/ionic,TillaTheHun0/ionic,manucorporat/ionic,jarrodkoch/ionic,AbraaoAlves/ionic,alan-agius4/ionic,cambronjay/ionic,jarrodkoch/ionic,jhlee8804/ionic,janglednerves/ionic,alan-agius4/ionic,driftyco/ionic,manucorporat/ionic,joshesp/ionic,janglednerves/ionic,cambronjay/ionic,driftyco/ionic,AbraaoAlves/ionic,alan-agius4/ionic,joshesp/ionic,brianespinosa/ionic2-sass,joshesp/ionic,manucorporat/ionic,dennybiasiolli/ionic,jarrodkoch/ionic,joshesp/ionic,dennybiasiolli/ionic,jarrodkoch/ionic,jarrodkoch/ionic,TillaTheHun0/ionic,manucorporat/ionic,alan-agius4/ionic,cambronjay/ionic,jhlee8804/ionic,jhlee8804/ionic,dennybiasiolli/ionic,alan-agius4/ionic,jhlee8804/ionic,alan-agius4/ionic,TillaTheHun0/ionic,AbraaoAlves/ionic,AbraaoAlves/ionic,cambronjay/ionic,janglednerves/ionic,driftyco/ionic,janglednerves/ionic,jhlee8804/ionic,dennybiasiolli/ionic,manucorporat/ionic,cambronjay/ionic,driftyco/ionic,janglednerves/ionic,dennybiasiolli/ionic