[css-ui] bikeshed fixes

Author: tabatkins

css-ui/Overview.bs

@@ -41,13 +41,15 @@ At Risk: Constraints on <a href="#negative-offset">negative values</a> of the 'o
 <!-- Some of the following definitions have existing exported defintions from other specs,
 but not from specs that are OK to link to from a CR -->
 <pre class="anchors">
-urlPrefix: http://www.w3.org/TR/CSS21/box.html#border-edge; type: dfn; spec: CSS21; text: border edge
-urlPrefix: http://www.w3.org/TR/CSS21/visufx.html#propdef-overflow; type: property; spec: CSS21; text: overflow
-urlPrefix: http://www.w3.org/TR/CSS21/visufx.html#propdef-overflow; type: value; spec: CSS21; text: visible
-urlPrefix: http://www.w3.org/TR/CSS21/visuren.html#position-props; type: property; spec: CSS21; text: top
-urlPrefix: http://www.w3.org/TR/CSS21/visuren.html#position-props; type: property; spec: CSS21; text: bottom
-urlPrefix: http://www.w3.org/TR/CSS21/visuren.html#position-props; type: property; spec: CSS21; text: left
-urlPrefix: http://www.w3.org/TR/CSS21/visuren.html#position-props; type: property; spec: CSS21; text: right
+url: http://www.w3.org/TR/CSS21/box.html#border-edge; type: dfn; spec: CSS21; text: border edge
+url: http://www.w3.org/TR/CSS21/visufx.html#propdef-overflow
+    type: property; spec: CSS21; text: overflow
+    type: value; spec: CSS21; text: visible; for: overflow
+url: http://www.w3.org/TR/CSS21/visuren.html#position-props; type: property; spec: CSS21;
+    text: top
+    text: bottom
+    text: left
+    text: right
 </pre>
 
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