fix #962 make modals full-height on mobile
fix #962 make modals full-height on mobile

gozer/voice-web,gozer/voice-web,common-voice/common-voice,gozer/voice-web,common-voice/common-voice,gozer/voice-web,gozer/voice-web,common-voice/common-voice,gozer/voice-web,gozer/voice-web,common-voice/common-voice