Add ff class to popup when in Firefox
Add ff class to popup when in Firefox

andreimoldo/toggl-button,eatskolnikov/toggl-button,glensc/toggl-button,bitbull-team/toggl-button,andreimoldo/toggl-button,glensc/toggl-button,bitbull-team/toggl-button,glensc/toggl-button,eatskolnikov/toggl-button