Animated Email Invoice Notification Icon

An engaging animated icon features a bright yellow email envelope, from which a document resembling a receipt or invoice with a prominent dollar sign smoothly emerges and recedes. A vibrant blue "@" symbol rotates dynamically at the center of the envelope, emitting playful sparkle lines, while additional sparks emanate from the envelope's edges. This loopable flat design animation utilizes bold outlines and solid colors to create a clear, communicative visual. Perfect for projects related to electronic billing, digital finance, email notifications, online transactions, or any content requiring a clean and modern representation of digital communication and corporate financial processes.