EM Side by Side Example:
Everything in this Example have a value of 1em or less even when it shouldn't
Then each container below has a
font-size: 100% || 200% || 300%;
applied to it to it's effect (affect?) Hope this helps someone :)
100% EM
Example: Parent is set at font-size: 100%
Button inside p tag
Everything in this Section is 1em or less
Button
200% EM
Example: Parent is set at font-size: 200%
Button inside p tag
Everything in this Section is 1em or less
Button
300% EM
Example: Parent is set at font-size: 300%
Button inside p tag
Everything in this Section is 1em or less
Button