Initial version

themes/zen/assets/sass/print.scss

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+// stylelint-disable color-named
+
+// The print stylesheet for this theme.
+
+@import 'init';
+@import 'components/print-none/print-none';
+
+.pager,
+%pager,
+.mobile-nav,
+aside,
+nav,
+footer {
+  @extend %print-none;
+}
+
+@media print {
+  html {
+    font-size: $print-font-size;
+  }
+
+  html,
+  body,
+  .page {
+    background-color: white;
+    border-color: black;
+    box-shadow: none;
+    color: black;
+  }
+
+  .main {
+    width: 100%;
+  }
+
+  // Underline all links.
+  :link,
+  :visited {
+    text-decoration: underline;
+  }
+
+  // Add visible title after abbreviations.
+  abbr[title] {
+    &::after {
+      content: ' (' attr(title) ')';
+    }
+  }
+}