These are all interesting, but defeated by me with one easy keyboard command (for the rest of you, it's View->Page Style->No Style). Without CSS, the main image is displayed just fine.
Some people really are trisky.
Some people really are trisky.
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAPAAAADwCAYAAAA+VemSAAAgAElEQVR4nLS96ZMUV5rm6x/Czd2P7+7h4REeHntkZETkvkAmCYh
A simple save page later, and I get your image. Bang.