A simple HTML/CSS implementation of a neon rainbow displaying the classic ROY G BIV colors (Red, Orange, Yellow, Green, Blue, Indigo, Violet). The rainbow arcs feature a bright neon effect using CSS f

Each color band is created using a curved div with border-radius, and the neon effect is achieved through a combination of bright colors and CSS drop-shadow filters.

Added features:

• Smiling face below the rainbow using a curved border
• Animated background color that cycles through semi-transparent rainbow colors
• Eyes with pupils added to create a complete face