Merge branch 'feature/ISTWCMS-5903-kpaxman-fix_full_width_to_edge' into '1.1.x'

ISTWCMS-5903: change full browser width method since vw units don't account for the scrollbar

See merge request !218

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

@@ -39,14 +39,9 @@ $test-color-12: var(--green-5);
 
 @mixin uw-full-width-margin {
   :not(.uw-exp-col) & {
-    left: 50%;
-    margin-left: -50vw;
-    margin-right: -50vw;
-    max-width: 100vw;
-    padding: 0;
-    position: relative;
-    right: 50%;
-    width: 100vw;
+    margin-left: calc(-1 * var(--size-2));
+    margin-right: calc(-1 * var(--size-2));
+    max-width: calc(2 * var(--size-2) + 100%);
   }
   .uw-exp-col & {
     @include uw-full-width-reset;