CSS — scale3d(x,y,z) and transform-origin

transform: scale3d(2,2,1);
    transform-origin: 0 0;

• transform need to exist so that transform-origin works
• - transform이 있어야 transform-origin이 반영됨.

https://www.w3schools.com/cssref/tryit.asp?filename=trycss3_transform-origin