Improve print styles for govspeak callouts

This fixes the margin for info notice so text is centered. Removes the
border for help and info notices as it disrupts the existing styling.
Add padding for call to action boxes to improve readability of text and
removes the grey background to prevent wasted ink when printing.

CHANGELOG.md

@@ -10,6 +10,7 @@
 ## Unreleased
 
 * Hide services cookie banner when JavaScript is disabled ([PR #1586](https://github.com/alphagov/govuk_publishing_components/pull/1586))
+* Improve print styles for govspeak info, help and call to action callouts ([PR #1588](https://github.com/alphagov/govuk_publishing_components/pull/1588) )
 
 ## 21.56.2
 

app/assets/stylesheets/govuk_publishing_components/components/print/_govspeak.scss

@@ -7,8 +7,12 @@
   .help-notice,
   .call-to-action {
     margin: govuk-spacing(3) 0;
-    padding: 0 govuk-spacing(3);
+  }
+
+  .call-to-action {
+    background: none;
     border: 1pt solid $govuk-border-colour;
+    padding: govuk-spacing(3);
   }
 
   .help-notice p {