diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index ef74318..d5b9e25 100755
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -62,26 +62,26 @@
         </div>
     {{ else if eq $left_sidebar true }}
         <div class="container">
-            <div class="columns">
-                <div class="column">
-                    {{ block "sidebar" . }}{{ end }}
-                    {{ partial "layout/sidebar" }}
-                </div>
-                <div class="column is-two-thirds">
+            <div class="columns is-centered">
+                <div class="column is-four-fifths">
                     {{ block "main" . }}{{ end }}
                 </div>
             </div>
+            <div class="column">
+                {{ block "sidebar" . }}{{ end }}
+                {{ partial "layout/sidebar" }}
+            </div>
         </div>
     {{ else }}
         <div class="container">
-            <div class="columns">
-                <div class="column is-two-thirds">
+            <div class="columns is-centered">
+                <div class="column is-four-fifths">
                     {{ block "main" . }}{{ end }}
                 </div>
-                <div class="column">
-                    {{ block "sidebar" . }}{{ end }}
-                    {{ partial "layout/sidebar" }}
-                </div>
+            </div>
+            <div class="column">
+                {{ block "sidebar" . }}{{ end }}
+                {{ partial "layout/sidebar" }}
             </div>
         </div>
     {{ end }}
diff --git a/layouts/shortcodes/table.html b/layouts/shortcodes/table.html
new file mode 100644
index 0000000..c1991d9
--- /dev/null
+++ b/layouts/shortcodes/table.html
@@ -0,0 +1,6 @@
+{{ $htmlTable := .Inner | markdownify }}
+{{ $class := .Get 0 }}
+{{ $old := "<table>" }}
+{{ $new := printf "<table class=\"%s\">" $class }}
+{{ $htmlTable := replace $htmlTable $old $new }}
+{{ $htmlTable | safeHTML }}
\ No newline at end of file