diff --git a/.jscsrc b/.jscsrc
index 9a7bbb01..edf97acd 100644
--- a/.jscsrc
+++ b/.jscsrc
@@ -4,4 +4,4 @@
     "excludeFiles": [
     	"js/**.min.js"
     ]
-}
\ No newline at end of file
+}
diff --git a/.jshintignore b/.jshintignore
index 54162f6f..eef19b5c 100644
--- a/.jshintignore
+++ b/.jshintignore
@@ -1 +1 @@
-js/**.min.js
\ No newline at end of file
+js/**.min.js
diff --git a/layouts/content-sidebar.css b/layouts/content-sidebar.css
index 8505da68..1e25ae8b 100644
--- a/layouts/content-sidebar.css
+++ b/layouts/content-sidebar.css
@@ -22,4 +22,4 @@
 .site-footer {
 	clear: both;
 	width: 100%;
-}
\ No newline at end of file
+}
diff --git a/layouts/sidebar-content.css b/layouts/sidebar-content.css
index 41f738c4..66342d0f 100644
--- a/layouts/sidebar-content.css
+++ b/layouts/sidebar-content.css
@@ -22,4 +22,4 @@
 .site-footer {
 	clear: both;
 	width: 100%;
-}
\ No newline at end of file
+}
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index c75e45ec..5a4ab66b 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -16,8 +16,8 @@
 	-->
 	<arg value="psvn"/>
 
-	<!-- Only check the PHP files. JS files are checked separately with JSCS and JSHint. -->
-	<arg name="extensions" value="php"/>
+	<!-- Only check the PHP, CSS and SCSS files. JS files are checked separately with JSCS and JSHint. -->
+	<arg name="extensions" value="php,css,scss/css"/>
 
 	<!-- Check all files in this directory and the directories below it. -->
 	<file>.</file>
diff --git a/sass/elements/_elements.scss b/sass/elements/_elements.scss
index 4909ddc5..38f91c4a 100644
--- a/sass/elements/_elements.scss
+++ b/sass/elements/_elements.scss
@@ -39,4 +39,4 @@ figure {
 	margin: 1em 0; /* Extra wide images within figure tags don't overflow the content area. */
 }
 
-@import "tables";
\ No newline at end of file
+@import "tables";
diff --git a/sass/elements/_lists.scss b/sass/elements/_lists.scss
index e271c24f..fcda0c11 100644
--- a/sass/elements/_lists.scss
+++ b/sass/elements/_lists.scss
@@ -22,4 +22,4 @@ dt {
 
 dd {
 	margin: 0 1.5em 1.5em;
-}
\ No newline at end of file
+}
diff --git a/sass/elements/_tables.scss b/sass/elements/_tables.scss
index 14af567a..acd5b337 100644
--- a/sass/elements/_tables.scss
+++ b/sass/elements/_tables.scss
@@ -1,4 +1,4 @@
 table {
 	margin: 0 0 1.5em;
 	width: 100%;
-}
\ No newline at end of file
+}
diff --git a/sass/forms/_buttons.scss b/sass/forms/_buttons.scss
index d7a914a6..cc54f951 100644
--- a/sass/forms/_buttons.scss
+++ b/sass/forms/_buttons.scss
@@ -19,4 +19,4 @@ input[type="submit"] {
 	&:focus {
 		border-color: $color__border-button-focus;
 	}
-}
\ No newline at end of file
+}
diff --git a/sass/forms/_forms.scss b/sass/forms/_forms.scss
index 8008a558..2036ef92 100644
--- a/sass/forms/_forms.scss
+++ b/sass/forms/_forms.scss
@@ -1,3 +1,3 @@
 @import "buttons";
 
-@import "fields";
\ No newline at end of file
+@import "fields";
diff --git a/sass/layout/_content-sidebar.scss b/sass/layout/_content-sidebar.scss
index ecfdc7d4..2af13c9a 100644
--- a/sass/layout/_content-sidebar.scss
+++ b/sass/layout/_content-sidebar.scss
@@ -17,4 +17,4 @@
 .site-footer {
 	clear: both;
 	width: $size__site-main;
-}
\ No newline at end of file
+}
diff --git a/sass/layout/_sidebar-content.scss b/sass/layout/_sidebar-content.scss
index f101e3ec..03eb2d84 100644
--- a/sass/layout/_sidebar-content.scss
+++ b/sass/layout/_sidebar-content.scss
@@ -17,4 +17,4 @@
 .site-footer {
 	clear: both;
 	width: $size__site-main;
-}
\ No newline at end of file
+}
diff --git a/sass/media/_media.scss b/sass/media/_media.scss
index 21d83af2..b46086d6 100644
--- a/sass/media/_media.scss
+++ b/sass/media/_media.scss
@@ -27,4 +27,4 @@ object {
 /*--------------------------------------------------------------
 ## Galleries
 --------------------------------------------------------------*/
-@import "galleries";
\ No newline at end of file
+@import "galleries";
diff --git a/sass/modules/_clearings.scss b/sass/modules/_clearings.scss
index 96c3245e..444b6b60 100644
--- a/sass/modules/_clearings.scss
+++ b/sass/modules/_clearings.scss
@@ -20,4 +20,4 @@
 .site-content:after,
 .site-footer:after {
 	@include clearfix-after;
-}
\ No newline at end of file
+}
diff --git a/sass/modules/_infinite-scroll.scss b/sass/modules/_infinite-scroll.scss
index be51db2e..11721379 100644
--- a/sass/modules/_infinite-scroll.scss
+++ b/sass/modules/_infinite-scroll.scss
@@ -7,4 +7,4 @@
 /* When Infinite Scroll has reached its end we need to re-display elements that were hidden (via .neverending) before. */
 .infinity-end.neverending .site-footer {
 	display: block;
-}
\ No newline at end of file
+}
diff --git a/sass/navigation/_links.scss b/sass/navigation/_links.scss
index eade43f6..95a5b4d2 100644
--- a/sass/navigation/_links.scss
+++ b/sass/navigation/_links.scss
@@ -16,4 +16,4 @@ a {
 	&:active {
 		outline: 0;
 	}
-}
\ No newline at end of file
+}
diff --git a/sass/navigation/_navigation.scss b/sass/navigation/_navigation.scss
index ffa4368a..2e774b25 100644
--- a/sass/navigation/_navigation.scss
+++ b/sass/navigation/_navigation.scss
@@ -6,4 +6,4 @@
 /*--------------------------------------------------------------
 ## Menus
 --------------------------------------------------------------*/
-@import "menus";
\ No newline at end of file
+@import "menus";
diff --git a/sass/site/_site.scss b/sass/site/_site.scss
index 32571067..9e4b9db4 100644
--- a/sass/site/_site.scss
+++ b/sass/site/_site.scss
@@ -8,4 +8,4 @@
 /*--------------------------------------------------------------
 ## Comments
 --------------------------------------------------------------*/
-@import "primary/comments";
\ No newline at end of file
+@import "primary/comments";
diff --git a/sass/site/primary/_posts-and-pages.scss b/sass/site/primary/_posts-and-pages.scss
index 3329cfd6..ceed29f1 100644
--- a/sass/site/primary/_posts-and-pages.scss
+++ b/sass/site/primary/_posts-and-pages.scss
@@ -6,7 +6,7 @@
 	margin: 0 0 1.5em;
 }
 
-.updated:not(.published){
+.updated:not(.published) {
 	display: none;
 }
 
@@ -19,4 +19,4 @@
 .page-links {
 	clear: both;
 	margin: 0 0 1.5em;
-}
\ No newline at end of file
+}
diff --git a/sass/typography/_copy.scss b/sass/typography/_copy.scss
index 82a10e3c..db7411f3 100644
--- a/sass/typography/_copy.scss
+++ b/sass/typography/_copy.scss
@@ -42,4 +42,4 @@ mark, ins {
 
 big {
 	font-size: 125%;
-}
\ No newline at end of file
+}
diff --git a/sass/typography/_headings.scss b/sass/typography/_headings.scss
index 281e6666..8333692d 100644
--- a/sass/typography/_headings.scss
+++ b/sass/typography/_headings.scss
@@ -1,3 +1,3 @@
 h1, h2, h3, h4, h5, h6 {
 	clear: both;
-}
\ No newline at end of file
+}
diff --git a/sass/typography/_typography.scss b/sass/typography/_typography.scss
index 9450eb81..b25e6cc2 100644
--- a/sass/typography/_typography.scss
+++ b/sass/typography/_typography.scss
@@ -12,4 +12,4 @@ textarea {
 
 @import "headings";
 
-@import "copy";
\ No newline at end of file
+@import "copy";
diff --git a/sass/variables-site/_structure.scss b/sass/variables-site/_structure.scss
index adbf8892..d24a84ed 100644
--- a/sass/variables-site/_structure.scss
+++ b/sass/variables-site/_structure.scss
@@ -1,2 +1,2 @@
 $size__site-main: 100%;
-$size__site-sidebar: 25%;
\ No newline at end of file
+$size__site-sidebar: 25%;
diff --git a/sass/variables-site/_typography.scss b/sass/variables-site/_typography.scss
index 56ea1be6..302891ea 100644
--- a/sass/variables-site/_typography.scss
+++ b/sass/variables-site/_typography.scss
@@ -2,4 +2,4 @@ $font__main: sans-serif;
 $font__code: Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
 $font__pre: "Courier 10 Pitch", Courier, monospace;
 $font__line-height-body: 1.5;
-$font__line-height-pre: 1.6;
\ No newline at end of file
+$font__line-height-pre: 1.6;
diff --git a/sass/variables-site/_variables-site.scss b/sass/variables-site/_variables-site.scss
index 661e342b..72ab8847 100644
--- a/sass/variables-site/_variables-site.scss
+++ b/sass/variables-site/_variables-site.scss
@@ -1,3 +1,3 @@
 @import "colors";
 @import "typography";
-@import "structure";
\ No newline at end of file
+@import "structure";