CSS Logical Properties and Values is a module of CSS introducing logical properties and values that provide the ability to control layout through logical, rather than physical, direction and dimension mappings.
The module also defines logical properties and values for properties previously defined in CSS 2.1. Logical properties define direction‐relative equivalents of their corresponding physical properties.
Logical properties and values use the abstract terms block and inline to describe the direction in which they flow. The physical meaning of these terms depends on the writing mode.
The dimension perpendicular to the flow of text within a line, i.e., the vertical dimension in horizontal writing modes, and the horizontal dimension in vertical writing modes. For standard English text, it is the vertical dimension.
The dimension parallel to the flow of text within a line, i.e., the horizontal dimension in horizontal writing modes, and the vertical dimension in vertical writing modes. For standard English text, it is the horizontal dimension.
border-blockborder-block-colorborder-block-endborder-block-end-colorborder-block-end-styleborder-block-end-widthborder-block-startborder-block-start-colorborder-block-start-styleborder-block-start-widthborder-block-styleborder-block-widthborder-colorborder-inlineborder-inline-colorborder-inline-endborder-inline-end-colorborder-inline-end-styleborder-inline-end-widthborder-inline-startborder-inline-start-colorborder-inline-start-styleborder-inline-start-widthborder-inline-styleborder-inline-widthborder-start-start-radiusborder-start-end-radiusborder-end-start-radiusborder-end-end-radiusborder-styleborder-widthmargin (logical Experimental keyword)margin-blockmargin-block-endmargin-block-startmargin-inlinemargin-inline-endmargin-inline-startpadding (logical Experimental keyword)padding-blockpadding-block-endpadding-block-startpadding-inlinepadding-inline-endpadding-inline-startclear (inline-end and inline-start keywords)float (inline-end and inline-start keywords)insetinset-blockinset-block-endinset-block-startinset-inlineinset-inline-endinset-inline-startcaption-side (inline-end and inline-start keywords)overflow-blockoverflow-inlineoverscroll-behavior-blockoverscroll-behavior-inlineresize (block and inline keywords)text-align (end and start keywords)offset-block-end Non-standard Deprecated (now inset-block-end)offset-block-start Non-standard Deprecated (now inset-block-start)offset-inline-end Non-standard Deprecated (now inset-inline-end)offset-inline-start Non-standard Deprecated (now inset-inline-start)| Specification |
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| CSS Logical Properties and Values Level 1 |
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https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Logical_Properties