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The max-block-size CSS property specifies the maximum size of an element in the direction opposite that of the writing direction as specified by cssxref writing-mode . That is, if the writing direction is horizontal, then max-block-size is equivalent to cssxref max-height ; if the writing direction is vertical, max-block-size is the same as cssxref max-width .
Last updated on : 2023-02-27
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
max-block-size on IE is not supported on any IE versions.
max-block-size on Edge is fully supported on 79-110, and not supported on 12-18 Edge versions.
max-block-size on Firefox is fully supported on 41-112, and not supported on 2-40 Firefox versions.
max-block-size on Chrome is fully supported on 57-113, and not supported on 4-56 Chrome versions.
max-block-size on Safari is fully supported on 12-16, partially supported on null-null, and not supported on 0-11 Safari versions.
max-block-size on Opera is not supported on any Opera versions.
max-block-size on Safari on iOS is fully supported on 12-16, and not supported on 3-11 Safari on iOS versions.
max-block-size on Android Browser support is currently unknown.
max-block-size on Opera Mobile is not supported on any Opera Mobile versions.
max-block-size on Chrome for Android is fully supported on all Chrome for Android versions.
max-block-size on Firefox for Android is fully supported on all Firefox for Android versions.
max-block-size on Samsung Internet is fully supported on 5-19, and not supported on 4-4 Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note:max-block-size shows a browser compatibility score of 67. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.
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