- "html": "<p><a data-link-type=\"dfn\" href=\"https://drafts.csswg.org/css-variables-2/#substitute-a-var\" id=\"ref-for-substitute-a-var\">Substitute variables</a>, <a class=\"css\" data-link-type=\"maybe\" href=\"https://drafts.csswg.org/css-env-1/#funcdef-env\" id=\"ref-for-funcdef-env\">env()</a> functions,\nand similar <a data-link-type=\"dfn\" href=\"https://drafts.csswg.org/css-variables-1/#arbitrary-substitution-function\" id=\"ref-for-arbitrary-substitution-function\">arbitrary substitution functions</a> in <var>styles</var>.</p>\n <p>For <a class=\"css\" data-link-type=\"maybe\" href=\"https://drafts.csswg.org/css-env-1/#funcdef-env\" id=\"ref-for-funcdef-env①\">env()</a> functions,\nif the referenced <a data-link-type=\"dfn\" href=\"https://drafts.csswg.org/css-env-1/#css-environment-variable\" id=\"ref-for-css-environment-variable\">environment variable</a> is associated with a direction or axis\n(such as <a class=\"css\" data-link-type=\"maybe\" href=\"https://drafts.csswg.org/css-env-1/#valdef-env-safe-area-inset-top\" id=\"ref-for-valdef-env-safe-area-inset-top\">safe-area-inset-top</a>),\nswitch the referenced <span id=\"ref-for-css-environment-variable①\">environment variable</span> corresponding to <var>directions</var>.</p>"
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