full bootstrap 5 upgrade

themes/hellug-bootstrap/layouts/_default/single.html

@@ -3,21 +3,30 @@
 {{ partial "header.html" . }}
   <!-- Header End -->
 
-<div class="pagewrap">
-<div align="center" style="margin:4px;"> 
-{{ partial .Params.bannertemplate . }}
+<main>
+<div class="container center mt-3 mb-3">
+  {{ if .Params.bannertemplate }}
+    {{ partial .Params.bannertemplate . }}
+  {{else}}
+    {{ partial "hellug-banner.html" . }}
+  {{end}}
 </div>
 
-<div id="column1">
+<div class="container mt-3 mb-3">
+        <div class="row">
+            <div class="col-md-9">
 
   {{.Content}}
 
-</div></div>
+</div>
+
 
     <!-- Column 2 start -->
 {{ partial "column2.html" . }}
     <!-- Column 2 end -->
 </div>
+</div>
+</main>
 <!-- Footer Start -->
 {{ partial "footer.html" . }}
 <!-- Footer End -->