New entry flow styling

src/assets/images/level_background.png

src/assets/images/level_background@2x.png

src/assets/images/mic_small.png

src/assets/images/mic_small@2x.png

src/assets/images/mobile_screen_entry.svg

src/assets/stylesheets/audio.scss

src/assets/stylesheets/entry.scss

src/assets/stylesheets/info-dialog.scss

src/assets/stylesheets/profile.scss

src/assets/stylesheets/shared.scss

src/assets/stylesheets/ui-root.scss

src/assets/translations.data.json

src/react-components/info-dialog.js

src/react-components/ui-root.js