centering the upload dialog
centering the upload dialog

moodpo/documentcloud,gunjanmodi/documentcloud,moodpo/documentcloud,documentcloud/documentcloud,moodpo/documentcloud,monofox/documentcloud,roberttdev/dactyl4,roberttdev/dactyl,monofox/documentcloud,monofox/documentcloud,documentcloud/documentcloud,dannguyen/documentcloud,ivarvong/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,gunjanmodi/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,ivarvong/documentcloud,roberttdev/dactyl4,roberttdev/dactyl,ivarvong/documentcloud,moodpo/documentcloud,monofox/documentcloud,dannguyen/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,roberttdev/dactyl4,roberttdev/dactyl,dannguyen/documentcloud,gunjanmodi/documentcloud,Teino1978-Corp/Teino1978-Corp-documentcloud,roberttdev/dactyl4,ivarvong/documentcloud,gunjanmodi/documentcloud,documentcloud/documentcloud,documentcloud/documentcloud,dannguyen/documentcloud