ISTWCMS-4050: adding one column layout

css/styles.css

@@ -1765,6 +1765,12 @@ svg:not(:root) {
 .layout--uwfourcol.legacy-23-27-27-23 {
   grid-template-columns: 23% 27% 27% 23%; }
 
+.layout--uwfourcol {
+  display: grid;
+  grid-template-columns: 100%; }
+  .layout--uwfourcol .layout__region--first {
+    grid-column: 1 / 2; }
+
 .layout--uwthreecol {
   display: grid; }
   .layout--uwthreecol .layout__region--first {

source/_patterns/03-layouts/layout/layout--onecol/_layout--onecol.scss

+.layout--uwfourcol {
+  display: grid;
+  grid-template-columns: 100%;
+
+  .layout__region--first {
+    grid-column: 1 / 2;
+  }
+}
\ No newline at end of file

source/_patterns/03-layouts/layout/layout--onecol/layout--onecol.twig

+{%
+  set classes = [
+  'layout',
+  'layout--uwonecol',
+  column_class,
+]
+%}
+
+<section{{ attributes.addClass(classes) }}>
+
+  <div {{ region_attributes.first.addClass('layout__region', 'layout__region--first') }}>
+    {% block content_first %}
+      Layout Region Column one
+    {% endblock %}
+  </div>
+
+</section>