diff --git a/elements/_sections.scss b/elements/_sections.scss
index f1fbfaa..79e5016 100644
--- a/elements/_sections.scss
+++ b/elements/_sections.scss
@@ -7,7 +7,6 @@ html {
 }
 
 
-
 // Sections
 // -----------------------------------------------------------------------------
 // body
@@ -21,7 +20,6 @@ html {
 // footer
 
 
-
 // Body
 // -----------------------------------------------------------------------------
 body {
@@ -41,7 +39,7 @@ body {
 	}
 
 	&:hover {
-		.mouse_over {
+		#mouse-overlay {
 			background-color: transparent !important;
 			transition: background-color $duration_basic $timing_basic 0s !important;
 		}
@@ -50,11 +48,13 @@ body {
 
 // Article
 // -----------------------------------------------------------------------------
-article {}
+article {
+}
 
 // Section
 // -----------------------------------------------------------------------------
-section {}
+section {
+}
 
 .sec_main_center {
 	width: $width_basic;
@@ -99,11 +99,11 @@ nav {
 aside {
 	width: $width_aside_basic;
 
-	&.right+.bside {
+	&.right + .bside {
 		margin-right: calc(#{$width_aside_basic} + #{$space_basic});
 	}
 
-	&.left+.bside {
+	&.left + .bside {
 		margin-left: calc(#{$width_aside_basic} + #{$space_basic});
 	}
 
@@ -152,7 +152,7 @@ aside {
 		ul.vertical li {
 			margin-bottom: $space_half;
 
-			.a_button>i:last-child {
+			.a_button > i:last-child {
 				margin-left: auto;
 			}
 		}
@@ -180,8 +180,8 @@ h2 {
 	margin: $space_medium 0 $space_small;
 }
 
-h1+h1,
-h2+h2 {
+h1 + h1,
+h2 + h2 {
 	margin-top: 0;
 }
 
@@ -212,13 +212,13 @@ h6 {
 
 hgroup {
 
-	&>h1,
-	&>h2 {
+	& > h1,
+	& > h2 {
 		margin-bottom: 0;
 
 	}
 
-	&>p {
+	& > p {
 		margin-bottom: $space_small;
 	}
 }
@@ -229,11 +229,11 @@ header {
 	&.io {
 		z-index: map.get($z-indexes, "content-top");
 
-		&>*:last-child *:last-child {
+		& > *:last-child *:last-child {
 			margin-right: 0;
 		}
 
-		&>*:first-child *:first-child {
+		& > *:first-child *:first-child {
 			margin-left: 0;
 		}
 
diff --git a/global/_common.scss b/global/_common.scss
index fc42881..3a33d47 100644
--- a/global/_common.scss
+++ b/global/_common.scss
@@ -269,7 +269,7 @@
 	}
 }
 
-.mouse_over {
+#mouse-overlay {
 	@extend %viewport_fixed;
 	z-index: $z_heaven;
 	transition: background-color $duration_long $timing_basic $duration_long;