Merge pull request code-charity#2640 from IamOSource/fix2630

Issue code-charity#2630

typo code-charity@139f31c code-charity#2565 @dodieboy

Update core.js

typo code-charity@139f31c code-charity#2565 @dodieboy

typo code-charity@139f31c code-charity#2565 @dodieboy

typo code-charity@139f31c code-charity#2565 @dodieboy

typo

Update appearance.js

Update README.md

csslint attempt; files in folders code-charity#2345 code-charity#2438 c…

…ode-charity#2446 @PTheocharis @dodieboy @raszpl