ISTWCMS-5647: css change for padding variable in layout-constraint mixin, css...

ISTWCMS-5647: css change for padding variable in layout-constraint mixin, css change to variable max-width. css for title to fill full width of section

src/patterns/01-core/mixins/_headings.scss

@@ -33,7 +33,6 @@
 @mixin heading-1 {
   @include heading-base;
   font-size: var( --font-size-8);
-  max-inline-size: var(--size-header-1);
 }
 
 @mixin heading-2 {

src/patterns/01-core/props/_layout.scss

 :where(html) {
-  --layout-gutter: var(--size-4);
+  --layout-gutter: var(--size-2);
   --layout-max-width: 75rem;
-  --grid-gutter: var(--size-4);
+  --layout-wide-max-width: 47.0625rem;
+  --grid-gutter: var(--size-2);
   --grid-gap: var(--size-4);
   --max-width: 47.0625rem;
 }

src/patterns/04-components/card/card--node/_card--node.scss

@@ -192,7 +192,7 @@
 
         // Width is experimental to match one of the max-widths in
         // layouts for narrower width page look.
-        @include uw-contained-width(var(--max-width));
+        @include uw-contained-width(var(--layout-wide-max-width));
       }
     }
     // CSS for displaying the title within the node :