MyCSS_PROPERTY_PADDING_BLOCK_START__PERCENTAGE

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C)
enum MyCSS_PROPERTY_PADDING_BLOCK_START__PERCENTAGE = mycss_property_padding_block_start.MyCSS_PROPERTY_PADDING_BLOCK_START__PERCENTAGE;

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