absolute align on html element

The border of the html container is in blue, and the border of body in green.
There should be neither horizontal nor vertical scroll-bar.
References:

• Reference rendering(?)
• CSS 2.1 containing block
• CSS 2.1 box areas
• CSS 2.1 box offsets

A1

B1

C1

A2

B2

C2

A3

B3

C3

A4

B4

C4