[css-cascade] Fix links

Author: fantasai

css-cascade-3/Overview.bs

@@ -933,7 +933,7 @@ Initial Values</h3>
 <h3 id="inheriting">
 Inheritance</h3>
 
-	<dfn export lt="inheritance|inherit">Inheritance</dfn> propagates property values from parent elements to their children.
+	<dfn export for="CSS" lt="inheritance|inherit">Inheritance</dfn> propagates property values from parent elements to their children.
 	The <dfn export>inherited value</dfn> of a property on an element
 	is the <a>computed value</a> of the property on the element's parent element.
 	For the root element,
@@ -972,7 +972,7 @@ Resetting a Property: the ''initial'' keyword</h4>
 	the ''initial'' keyword,
 	the property's <a>specified value</a> is its <a>initial value</a>.
 
-<h4 id="inherit" caniuse="mdn-api_csspropertyrule_inherits">
+<h4 id="inherit">
 Explicit Inheritance: the ''inherit'' keyword</h4>
 
 	The <dfn value for=all>inherit</dfn> [=CSS-wide keyword=]

css-cascade-4/Overview.bs

@@ -1199,7 +1199,7 @@ Initial Values</h3>
 <h3 id="inheriting">
 Inheritance</h3>
 
-	<dfn export lt="inheritance|inherit">Inheritance</dfn> propagates property values from parent elements to their children.
+	<dfn export for="CSS" lt="inheritance|inherit">Inheritance</dfn> propagates property values from parent elements to their children.
 	The <dfn export>inherited value</dfn> of a property on an element
 	is the <a>computed value</a> of the property on the element's parent element.
 	For the root element,
@@ -1247,7 +1247,7 @@ Resetting a Property: the ''initial'' keyword</h4>
 	the ''initial'' keyword,
 	the property's <a>specified value</a> is its <a>initial value</a>.
 
-<h4 id="inherit" caniuse="mdn-api_csspropertyrule_inherits">
+<h4 id="inherit">
 Explicit Inheritance: the ''inherit'' keyword</h4>
 
 	The <dfn value for=all>inherit</dfn> [=CSS-wide keyword=]

css-cascade-5/Overview.bs

@@ -1784,7 +1784,7 @@ Initial Values</h3>
 <h3 id="inheriting">
 Inheritance</h3>
 
-	<dfn export lt="inheritance|inherit">Inheritance</dfn> propagates property values from parent elements to their children.
+	<dfn export for="CSS" lt="inheritance|inherit">Inheritance</dfn> propagates property values from parent elements to their children.
 	The <dfn export>inherited value</dfn> of a property on an element
 	is the <a>computed value</a> of the property on the element's parent element.
 	For the root element,
@@ -1832,7 +1832,7 @@ Resetting a Property: the ''initial'' keyword</h4>
 	the ''initial'' keyword,
 	the property's <a>specified value</a> is its <a>initial value</a>.
 
-<h4 id="inherit" caniuse="mdn-api_csspropertyrule_inherits">
+<h4 id="inherit">
 Explicit Inheritance: the ''inherit'' keyword</h4>
 
 	The <dfn value for=all>inherit</dfn> [=CSS-wide keyword=]