Sync CSS with archweb

Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

web/html/css/archweb.css

@@ -687,14 +687,6 @@ table.results {
         padding: .3em 1em .3em 3px;
     }
 
-    .results tr.odd {
-        background: #fff;
-    }
-
-    .results tr.even {
-        background: #e4eeff;
-    }
-
     .results .flagged {
         color: red;
     }
@@ -977,6 +969,16 @@ table td.country {
     background: #ffd;
 }
 
+.results tr:nth-child(even),
+#article-list tr:nth-child(even) {
+    background: #e4eeff;
+}
+
+.results tr:nth-child(odd),
+#article-list tr:nth-child(odd) {
+    background: #fff;
+}
+
 /* dev dashboard: */
 table.dash-stats .key {
     width: 50%;