Emulation

bl media

Override CSS media features

Override CSS media features

Usage

bl media [OPTIONS]

Options

OptionDescription
--color-scheme <value>Color scheme: light, dark, no-preference
--reduced-motion <value>Reduced motion: reduce, no-preference
--forced-colors <value>Forced colors: active, none
--contrast <value>Contrast: more, less, no-preference
--media <value>Media type: screen, print
--headlessHide browser window (visible by default)
--jsonOutput as JSON
--session <value>Run this command in the named session (env: BL_SESSION; default: "default")

Global options

OptionDescription
-v, --verboseEnable debug logging

Examples

bl media --color-scheme dark
# Enable dark mode

bl media --reduced-motion reduce
# Reduce motion

bl media --color-scheme light --forced-colors active
# Override multiple features

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