Crisp image zoom at 150% DPI scale factor displays (Firefox 74+)سي إس إس
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Prevents blurry anti-aliased borders between picture sampling areas ("pixels") by stretching them so they precisely match (multiples of) physical display points. Adds variable background for transparent images.
MDN: Compat table: first and compactسي إس إس
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Moves compatibility and specs tables to the top and makes them compact in articles at developer.mozilla.org.
Graphemica: Different Fonts on Hoverسي إس إس
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Change font families of example characters by position mouse cursor over body or character and/or holding left mouse button