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computed style - can see all the styles applied to an element in one place
user agent stylesheet - inherent style. example: h1
latest styles on the top, the earliest in the bottom, hence more overriden styles towards bottom
Tick "show inherited" to see automatically applied, inherent styles 
Inspector stylesheet - stylesheet that gets created if new element style is added through inspect element
Pseudostate styles - hover,active,etc can be emulated 
Can edit "Metrics" directly
Can edit "Properties" - javascript properties directly