"A sleek and professional broadcast frame for a virtual business meeting with a 16:9 aspect ratio. The design features thin borders on the left and right, and slightly thicker borders on the top and bottom to accommodate text overlays. The color palette is dark blue with sharp, clean white gradients and a modern, high-tech aesthetic. The center area is plain green, intended for chroma keying (green screen effect). The overall style is minimalistic, corporate, and polished, suitable for a professional setting. --ar 16:9