Add a new block shortcode

assets/scss/style.scss

@@ -163,6 +163,10 @@ td {
     padding: 0.5rem;
 }
 
+th {
+    padding: 0.5rem;
+}
+
 div.highlight tr {
     display: table-row;
 }
@@ -276,6 +280,13 @@ figure {
   font-family: unset;
 }
 
+.block {
+    @include bordered-block;
+    margin: auto;
+    padding: 0.5rem;
+    width: fit-content;
+}
+
 .dialog {
     .message {
         max-width: 0.8*$container-width;

layouts/shortcodes/block.html

@@ -0,0 +1,3 @@
+<div class="block">
+    {{ .Inner }}
+</div>