[css-ui-4] Bikeshed fixes

Author: frivoal

css-ui-4/Overview.bs

@@ -312,11 +312,11 @@ Note: This specification does not define the exact position or shape of the outl
 
 The 'outline-width' property accepts
 the same values as 'border-width'
-([[css-backgrounds-3#the-border-width]]).
+([[css-backgrounds-3#border-width]]).
 
 <dfn><<outline-line-style>></dfn> accepts
 the same values as <<line-style>>
-([[css-backgrounds-3#the-border-style]])
+([[css-backgrounds-3#border-style]])
 with the same meaning,
 except that
 <span class=css>hidden</span> is not a legal outline style.
@@ -608,7 +608,7 @@ Animation type: discrete
 This property specifies the type of cursor to be displayed for the pointing device
 when the cursor's hotspot is within the element's <a>border edge</a>.
 
-Note: As per [[css-backgrounds-3#the-border-radius]], the <a>border edge</a> is affected by 'border-radius'.
+Note: As per [[css-backgrounds-3#border-radius]], the <a>border edge</a> is affected by 'border-radius'.
 
 In the case of overlapping elements,
 which element determines the type of cursor