fix(styles): Fix SASS nesting warnings.

Author: thet

_sass/components/_form.scss

@@ -14,13 +14,13 @@ form {
 
     .pat-message,
     .message {
-        @include mixins.pat-message();
-        @include mixins.box-sizing();
-
         display: block;
         clear: both;
         margin-top: 0.5em;
         font-style: normal;
+
+        @include mixins.box-sizing();
+        @include mixins.pat-message();
     }
 
     h2 {
@@ -30,12 +30,13 @@ form {
     input,
     textarea,
     select {
+        @include mixins.box-sizing();
+
         -webkit-appearance: none;
         -moz-appearance: none;
         appearance: none;
         font-family: settings.$body-font-family;
         display: inline-block;
-        @include mixins.box-sizing();
         padding: 0.2em 0.5em;
         margin: -0.2em 0;
         background-color: rgba(0, 0, 0, 0.09);

src/pat/auto-suggest/_auto-suggest.scss

@@ -357,15 +357,16 @@ Version: 3.4.3 Timestamp: Tue Sep 17 06:47:14 PDT 2013
         display: list-item;
     }
     .select2-disabled {
+        background: #f4f4f4;
+        display: list-item;
+        cursor: default;
+
         &.select2-highlighted {
             color: #666;
             background: #f4f4f4;
             display: list-item;
             cursor: default;
         }
-        background: #f4f4f4;
-        display: list-item;
-        cursor: default;
     }
     .select2-selected {
         display: none;
@@ -377,11 +378,12 @@ disabled look for disabled choices in the results dropdown
 */
 
 .select2-more-results {
+    background: #f4f4f4;
+    display: list-item;
+
     &.select2-active {
         background: #f4f4f4 url("select2-spinner.gif") no-repeat 100%;
     }
-    background: #f4f4f4;
-    display: list-item;
 }
 
 /* disabled styles */

src/pat/collapsible/_collapsible.scss

@@ -21,14 +21,13 @@
     }
 
     > *:first-child {
-        @include button.pat-button();
-
         font-weight: normal;
         width: 100%;
 
         -moz-box-sizing: border-box;
         -webkit-box-sizing: border-box;
         box-sizing: border-box;
         // font-size: 0.8em;
+        @include button.pat-button();
     }
 }