client - forum page now responsive - other adjustments as well

client/app/scss/_mixins.scss

@@ -2,7 +2,12 @@
   @if $point == smallOrLess {
     @media (max-width: 420px) { @content ; }
   }
+
   @else if $point == mediumOrLess {
     @media (max-width: 540px) { @content ; }
   }
+
+  @else if $point == mediumOrMore {
+    @media (min-width: 541px) { @content ; }
+  }
 }

client/app/scss/style.scss

@@ -187,10 +187,9 @@ div {
   }
 }
 
-.show-tiny {
-  display: none;
+.hide-large {
 
-  @include breakpoint(mediumOrLess) {
-    display: block;
+  @include breakpoint(mediumOrMore) {
+    display: none;
   }
 }