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Attaching style Applying style Key concepts Color and background Fonts Text Lists Box model

Advanced tests
Positioning Boxes Generated content Dynamic effects Tables Paged media @font-face Aural styles Language styles

This test
Floats - inline text Floats - images Drop caps Float/non-float interaction Float/float interaction Height-dependent float Clear Clear 2
Position: absolute Position: relative Position: fixed 1 Position: fixed 2 Position: fixed 3 Position: fixed 4 Position: fixed 5 Absolute containing block Relative containing block
This element has position: fixed; top: 90%; height: 10%; border-bottom: 1px red, and consequently its bottom border should, since it is fixed below the viewport, be invisible.
This element has position: fixed; top: 80%; height: 5%; border-bottom: 1px red, and consequently its bottom border should be visible.

This page has an image of stars. You should not see it because it is fixed below the bottom of the viewport.