Updating to normalize.css 8.0.1 minus IE fixes. Other sass file cleanup as well.

assets/sass/components/button/_button.scss

@@ -8,21 +8,6 @@
 // :hover  - Hover styling.
 // :active - Depressed button styling.
 
-// 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
-//    controls in Android 4.
-// 2. Correct the inability to style clickable types in iOS and Safari.
-.button,
-%button,
-button,
-// 1
-html [type='button'],
-[type='reset'],
-[type='submit'] {
-  // sass-lint:disable no-vendor-prefixes
-  -moz-appearance: button;
-  -webkit-appearance: button; // 2
-}
-
 .button,
 %button,
 button,
@@ -53,8 +38,11 @@ button,
   border-bottom-color: #b4b4b4;
   border-radius: 2px;
 
-
   // sass-lint:disable no-vendor-prefixes
+  // Correct the inability to style clickable types in iOS and Safari.
+  -moz-appearance: button;
+  -webkit-appearance: button;
+
   // Remove the inner border and padding in Firefox.
   &::-moz-focus-inner {
     border-style: none;

assets/sass/components/language-selector/_language-selector.scss

@@ -0,0 +1,15 @@
+// Language selector
+
+.language-selector {
+  .navbar {
+    &::before {
+      content: '';
+      background-image: url('../images/language-icon.png');
+      background-size: 24px;
+      background-repeat: no-repeat;
+      height: 24px;
+      width: 24px;
+      margin-right: 8px;
+    }
+  }
+}

assets/sass/components/messages/_messages.scss

@@ -0,0 +1,26 @@
+// Messages
+
+.message {
+  padding: 10px;
+  border-width: 1px;
+  border-style: solid;
+  width: 95%;
+
+  &.status {
+    background-color: $status-bg;
+    color: $status;
+    border-color: $status;
+  }
+
+  &.warning {
+    background-color: $warning-bg;
+    color: $warning;
+    border-color: $warning;
+  }
+
+  &.error {
+    background-color: $error-bg;
+    color: $error;
+    border-color: $error;
+  }
+}