hiding the header pixels at tablet landscape breakpoint otherwise they overlap the page title

opentech/static_src/src/sass/layout/_header.scss

@@ -130,7 +130,7 @@
             bottom: 0;
             display: none;
 
-            @include media-query(tablet-portrait) {
+            @include media-query(tablet-landscape) {
                 display: block;
             }
         }