Fix content container sizing

static/src/scss/_bulma_overrides.scss

@@ -1,6 +1,5 @@
 @use "bulma/sass/utilities/initial-variables" as *;
 
-$container-max-width: $widescreen;
 $pre-background: unset;
 $family-code: "Fira Code", monospace;
 $dropdown-content-radius: 0;

static/src/scss/_content.scss

@@ -39,8 +39,9 @@ section.content {
 }
 
 .container {
-  @include until($container-max-width) {
-    max-width: calc(99% - ($column-gap * 2));
+  @include touch {
+    // Keep a little padding around the content
+    max-width: calc(100% - $gap);
   }
 }