The rules of Composition to designers and how film and TV have adopted the concept for a stronger and more powerful vision to the viewers without them ever noticing. Here are some examples on how the Golden Ratio is used in film and how we use it on website design.
"The Golden ratio is a special number found by dividing a line into two parts so that the longer part divided by the smaller part is also equal to the whole length divided by the longer part."(source)
Film and TV.
Doctor Who (TV Series)
PNG version of the Composition examples used on the Composition Cam Instagram Account