css3 - css transform: translate() % always refer to the size of bounding box? -


i'm confused specifications says. let me clarify understanding.

specifications

https://www.w3.org/tr/css-transforms-1/#propdef-transform

percentages: refer size of bounding box

https://drafts.csswg.org/css-transforms-2/#propdef-translate

percentages: relative width of containing block (for first value) or height (for second value)

my understanding

css-transforms-1

  1. there transform property.
    transform property refer bounding box.
    so, translate function of transform property refer bounding box.

  2. there not translate property.

css-transforms-2

  1. there transform property.
    transform property refer size of bounding box.
    so, translate function of transform property refer bounding box.

  2. there translate property.
    translate property refer containing box.

so, think % of transform: translate() refer bounding box,
right?

your second link draft used discussion. far know hasn't made final css standards or implementations.

so guess right, percentages related element's bounding box, not containing block.


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