height

The height property sets the content-box height of an element.

Since CSS1 Spec ↗

Syntax

height: <length|%|auto|min-content|max-content>;

Examples

.hero { height: 100dvh; }
.row { height: auto; }
Output
Stretches the hero to the dynamic viewport height and lets the row size to its content.

Notes

Percentage heights need a definite parent height. Use dvh/svh/lvh for mobile-safe viewport heights. auto sizes to content. Avoid fixed heights on text containers to prevent overflow.

Browser & runtime support

EnvironmentSince version
chrome 1.0
firefox 1.0
safari 1.0
edge 12

See also