The idea sounds lame but it is implemented so beautifully that I love it. Try it out yourself.
Description from the site: “Composition with Javascript is an interactive work made using HTML, CSS, Javascript and jQuery, based on Piet Mondrian’s “Composition with Yellow, Red, Black, Blue and Grey” (1920). It allows everybody deconstruct the original painting and form it again in whatever he or she wants. Lines are shiftable (just drag it with your mouse) and colours changeable (click on it). Texture of the painting was preserved for authentic look. One can play with composition, forms and colours, alter the harmony of the piece or even destroy it and compose something pictorial”
Tip from @Tessas
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