refactor(list): combined hairline css together
refactor(list): combined hairline css together

references #387

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