reducing spacing between nav on smaller viewports

opentech/static_src/src/sass/components/_nav.scss

@@ -144,7 +144,7 @@
 
     &__link {
         display: inline-block;
-        padding: 20px;
+        padding: 20px 15px;
         color: $color--white;
         border-bottom: 1px solid transparent;
         transition: color, border $transition;