CheckMatrixWidget: Remove override of first `tr`

Follow-up to I3f707f667df11. Non-selecting the first row was
introduced when no differntiation of `thead` and `tbody` were available.
Now that it's given, it's time to remove this and apply `:hover` style
consistently.

Change-Id: Ief59eb84cfe442c5be166dea254c0aed9d3909cb

diff --git a/resources/src/mediawiki.htmlform.ooui.styles.less b/resources/src/mediawiki.htmlform.ooui.styles.less
index 36f9d41..3feb9a1 100644 (file)
--- a/resources/src/mediawiki.htmlform.ooui.styles.less
+++ b/resources/src/mediawiki.htmlform.ooui.styles.less
@@ -63,7 +63,7 @@
                        background-color: #f8f9fa;
                }
 
-               tbody tr:not( :first-child ):hover td {
+               tbody tr:hover td {
                        background-color: #eaecf0;
                }