Stow: Fix horizontal scrolling issue on Desktop. Closes #1180

stow/sass/_extra-child-theme.scss

@@ -197,6 +197,8 @@ a {
 		.main-menu {
 			background-color: #{map-deep-get($config-global, "color", "secondary", "default")};
 			border-bottom: 2px solid rgba(0,0,0,.15);
+			margin-left: 0;
+			margin-right: 0;
 		}
 		#toggle-menu {
 			border-radius: 0;

stow/style-rtl.css

@@ -3400,6 +3400,8 @@ a {
 #site-navigation.main-navigation .main-menu {
 	background-color: #f25f70;
 	border-bottom: 2px solid rgba(0, 0, 0, 0.15);
+	margin-right: 0;
+	margin-left: 0;
 }
 
 #site-navigation.main-navigation #toggle-menu {

stow/style.css

@@ -3405,6 +3405,8 @@ a {
 #site-navigation.main-navigation .main-menu {
 	background-color: #f25f70;
 	border-bottom: 2px solid rgba(0, 0, 0, 0.15);
+	margin-left: 0;
+	margin-right: 0;
 }
 
 #site-navigation.main-navigation #toggle-menu {