diff --git a/_config.yml b/_config.yml
index d29d35c..b8a7074 100644
--- a/_config.yml
+++ b/_config.yml
@@ -15,6 +15,7 @@ lang: en
 # Matomo Tracking
 # matomo_url: "://track.tld"
 # matomo_siteId: 1
+# google_analytics: "G-XXXXXXXXXX"
 
 # Contact Me About This Page
 page_contact: false
diff --git a/_includes/head.html b/_includes/head.html
index ed8f5b1..bf0d92b 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -4,7 +4,7 @@
 
 {%- seo -%}
 {%- feed_meta -%}
-{%- if jekyll.environment == 'production' and site.google_analytics -%}
+{%- if site.google_analytics -%}
   {%- include google-analytics.html -%}
 {%- endif -%}
 
diff --git a/_sass/libs/_breakpoints.scss b/_sass/libs/_breakpoints.scss
index c5301d8..8069262 100644
--- a/_sass/libs/_breakpoints.scss
+++ b/_sass/libs/_breakpoints.scss
@@ -4,7 +4,7 @@
 
 	/// Breakpoints.
 	/// @var {list}
-	$breakpoints: () !global;
+	//$breakpoints: () !global;
 
 // Mixins.
 
@@ -41,7 +41,7 @@
 				}
 
 			// Less than or equal.
-				@elseif (str-slice($query, 0, 2) == '<=') {
+				@else if (str-slice($query, 0, 2) == '<=') {
 
 					$op: 'lte';
 					$breakpoint: str-slice($query, 3);
@@ -49,7 +49,7 @@
 				}
 
 			// Greater than.
-				@elseif (str-slice($query, 0, 1) == '>') {
+				@else if (str-slice($query, 0, 1) == '>') {
 
 					$op: 'gt';
 					$breakpoint: str-slice($query, 2);
@@ -57,7 +57,7 @@
 				}
 
 			// Less than.
-				@elseif (str-slice($query, 0, 1) == '<') {
+				@else if (str-slice($query, 0, 1) == '<') {
 
 					$op: 'lt';
 					$breakpoint: str-slice($query, 2);
@@ -65,7 +65,7 @@
 				}
 
 			// Not.
-				@elseif (str-slice($query, 0, 1) == '!') {
+				@else if (str-slice($query, 0, 1) == '!') {
 
 					$op: 'not';
 					$breakpoint: str-slice($query, 2);
@@ -100,22 +100,22 @@
 									}
 
 								// Less than or equal (<= y)
-									@elseif ($op == 'lte') {
+									@else if ($op == 'lte') {
 										$media: 'screen and (max-width: ' + $y + ')';
 									}
 
 								// Greater than (> y)
-									@elseif ($op == 'gt') {
+									@else if ($op == 'gt') {
 										$media: 'screen and (min-width: ' + ($y + 1) + ')';
 									}
 
 								// Less than (< 0 / invalid)
-									@elseif ($op == 'lt') {
+									@else if ($op == 'lt') {
 										$media: 'screen and (max-width: -1px)';
 									}
 
 								// Not (> y)
-									@elseif ($op == 'not') {
+									@else if ($op == 'not') {
 										$media: 'screen and (min-width: ' + ($y + 1) + ')';
 									}
 
@@ -135,22 +135,22 @@
 									}
 
 								// Less than or equal (<= inf / anything)
-									@elseif ($op == 'lte') {
+									@else if ($op == 'lte') {
 										$media: 'screen';
 									}
 
 								// Greater than (> inf / invalid)
-									@elseif ($op == 'gt') {
+									@else if ($op == 'gt') {
 										$media: 'screen and (max-width: -1px)';
 									}
 
 								// Less than (< x)
-									@elseif ($op == 'lt') {
+									@else if ($op == 'lt') {
 										$media: 'screen and (max-width: ' + ($x - 1) + ')';
 									}
 
 								// Not (< x)
-									@elseif ($op == 'not') {
+									@else if ($op == 'not') {
 										$media: 'screen and (max-width: ' + ($x - 1) + ')';
 									}
 
@@ -170,22 +170,22 @@
 									}
 
 								// Less than or equal (<= y)
-									@elseif ($op == 'lte') {
+									@else if ($op == 'lte') {
 										$media: 'screen and (max-width: ' + $y + ')';
 									}
 
 								// Greater than (> y)
-									@elseif ($op == 'gt') {
+									@else if ($op == 'gt') {
 										$media: 'screen and (min-width: ' + ($y + 1) + ')';
 									}
 
 								// Less than (< x)
-									@elseif ($op == 'lt') {
+									@else if ($op == 'lt') {
 										$media: 'screen and (max-width: ' + ($x - 1) + ')';
 									}
 
 								// Not (< x and > y)
-									@elseif ($op == 'not') {
+									@else if ($op == 'not') {
 										$media: 'screen and (max-width: ' + ($x - 1) + '), screen and (min-width: ' + ($y + 1) + ')';
 									}
 
@@ -220,4 +220,4 @@
 				@content;
 			}
 
-	}
\ No newline at end of file
+	}
diff --git a/_sass/libs/_html-grid.scss b/_sass/libs/_html-grid.scss
index 7438a8c..a97107c 100644
--- a/_sass/libs/_html-grid.scss
+++ b/_sass/libs/_html-grid.scss
@@ -10,7 +10,7 @@
 		// Initialize.
 			$cols: 12;
 			$multipliers: 0, 0.25, 0.5, 1, 1.50, 2.00;
-			$unit: 100% / $cols;
+			$unit: calc(100% / $cols);
 
 			// Suffixes.
 				$suffixes: null;
@@ -146,4 +146,4 @@
 
 			}
 
-	}
\ No newline at end of file
+	}
diff --git a/_sass/libs/_vendor.scss b/_sass/libs/_vendor.scss
index 6599a3f..92caaca 100644
--- a/_sass/libs/_vendor.scss
+++ b/_sass/libs/_vendor.scss
@@ -362,7 +362,7 @@
 			}
 
 		// Expand just the value?
-			@elseif $expandValue {
+			@else if $expandValue {
 			    @each $vendor in $vendor-prefixes {
 			        #{$property}: #{str-replace-all($value, '-prefix-', $vendor)};
 			    }
@@ -373,4 +373,4 @@
 		        #{$property}: #{$value};
 			}
 
-	}
\ No newline at end of file
+	}