⬛️🖼️⬛️

#letterbox #widescreen bars #aspect ratio #black bars #screen border #movie display

🖥️🩶⬜️🩶

#UI border #screen border #window frame #digital border #grey element #application border

📱🖼️🔳

#mobile border #phone frame #screen border #UI border #app border #element border #CSS border