Fixed minor CSS quality mistakes

app/styles/components/tag.scss

@@ -2,7 +2,7 @@
     background: $grayer; // Fallback
     color: $white;
     display: inline-block;
-    margin: 0 0 .5rem 0;
+    margin: 0 0 .5rem;
     padding: .2rem .5rem;
     text-align: center;
     .icon-delete {

app/styles/layout/base.scss

@@ -60,7 +60,7 @@ body {
 .menu-secondary {
     @include table-flex-child(1, 260px, 0, 260px);
     background: $whitish;
-    padding: 2em 1em;
+    padding: 2rem 1rem;
 }
 
 .menu-tertiary {
@@ -71,12 +71,11 @@ body {
 
 .extrabar {
     background: $whitish;
-    // display: none;
 }
 
 .main {
     @include table-flex-child(8, 600px, 0, 600px);
-    padding: 2em;
+    padding: 2rem;
 }
 
 .icon {

app/styles/main.scss

@@ -14,6 +14,7 @@ $prefix-for-spec:      true;
 @import 'dependencies/typography';
 @import 'dependencies/elements';
 @import 'dependencies/mixins';
+@import 'dependencies/responsive';
 @import 'dependencies/forms';
 
 //Components
@@ -61,10 +62,6 @@ $prefix-for-spec:      true;
 @import 'modules/register-form';
 @import 'modules/forgot-form';
 
-// Responsive
-@import 'responsive/mobile';
-@import 'responsive/screen';
-
 //Layout
 @import 'layout/base';
 @import 'layout/login';