Reorder deprecated mixed order declarations in SCSS

Change-Id: Ibc2cd2574e55ab3cc42d1e59d5252b78a746e195
diff --git a/dev/scss/header/header.scss b/dev/scss/header/header.scss
index 32b0812..6e18f93 100644
--- a/dev/scss/header/header.scss
+++ b/dev/scss/header/header.scss
@@ -247,10 +247,6 @@
     cursor:      pointer;
     line-height: 1.8em;
 
-    > span {
-      font-weight: bold;
-    }
-
     border: {
       width:        0;
       bottom-width: 3px;
@@ -258,6 +254,10 @@
       color:        transparent;
     }
 
+    > span {
+      font-weight: bold;
+    }
+
     &:hover {
       color:        $dark-green;
       border-color: $dark-green;