diff --git a/data/web/css/themes/lumen-bootstrap.css b/data/web/css/themes/lumen-bootstrap.css
index a7582237..bcf62683 100644
--- a/data/web/css/themes/lumen-bootstrap.css
+++ b/data/web/css/themes/lumen-bootstrap.css
@@ -11,7 +11,86 @@
  * Copyright 2011-2021 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
-@import url("https://fonts.googleapis.com/css2?family=Source+Sans+Pro:ital,wght@0,300;0,400;0,700;1,400&display=swap");
+
+/* source-sans-pro-300 - latin */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 300;
+  src: url('/fonts/source-sans-pro-v21-latin-300.eot'); /* IE9 Compat Modes */
+  src: local(''),
+       url('/fonts/source-sans-pro-v21-latin-300.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
+       url('/fonts/source-sans-pro-v21-latin-300.woff2') format('woff2'), /* Super Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-300.woff') format('woff'), /* Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-300.ttf') format('truetype'), /* Safari, Android, iOS */
+       url('/fonts/source-sans-pro-v21-latin-300.svg#SourceSansPro') format('svg'); /* Legacy iOS */
+}
+/* source-sans-pro-300italic - latin */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: italic;
+  font-weight: 300;
+  src: url('/fonts/source-sans-pro-v21-latin-300italic.eot'); /* IE9 Compat Modes */
+  src: local(''),
+       url('/fonts/source-sans-pro-v21-latin-300italic.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
+       url('/fonts/source-sans-pro-v21-latin-300italic.woff2') format('woff2'), /* Super Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-300italic.woff') format('woff'), /* Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-300italic.ttf') format('truetype'), /* Safari, Android, iOS */
+       url('/fonts/source-sans-pro-v21-latin-300italic.svg#SourceSansPro') format('svg'); /* Legacy iOS */
+}
+/* source-sans-pro-regular - latin */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 400;
+  src: url('/fonts/source-sans-pro-v21-latin-regular.eot'); /* IE9 Compat Modes */
+  src: local(''),
+       url('/fonts/source-sans-pro-v21-latin-regular.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
+       url('/fonts/source-sans-pro-v21-latin-regular.woff2') format('woff2'), /* Super Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-regular.woff') format('woff'), /* Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-regular.ttf') format('truetype'), /* Safari, Android, iOS */
+       url('/fonts/source-sans-pro-v21-latin-regular.svg#SourceSansPro') format('svg'); /* Legacy iOS */
+}
+/* source-sans-pro-italic - latin */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: italic;
+  font-weight: 400;
+  src: url('/fonts/source-sans-pro-v21-latin-italic.eot'); /* IE9 Compat Modes */
+  src: local(''),
+       url('/fonts/source-sans-pro-v21-latin-italic.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
+       url('/fonts/source-sans-pro-v21-latin-italic.woff2') format('woff2'), /* Super Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-italic.woff') format('woff'), /* Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-italic.ttf') format('truetype'), /* Safari, Android, iOS */
+       url('/fonts/source-sans-pro-v21-latin-italic.svg#SourceSansPro') format('svg'); /* Legacy iOS */
+}
+/* source-sans-pro-700 - latin */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: normal;
+  font-weight: 700;
+  src: url('/fonts/source-sans-pro-v21-latin-700.eot'); /* IE9 Compat Modes */
+  src: local(''),
+       url('/fonts/source-sans-pro-v21-latin-700.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
+       url('/fonts/source-sans-pro-v21-latin-700.woff2') format('woff2'), /* Super Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-700.woff') format('woff'), /* Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-700.ttf') format('truetype'), /* Safari, Android, iOS */
+       url('/fonts/source-sans-pro-v21-latin-700.svg#SourceSansPro') format('svg'); /* Legacy iOS */
+}
+/* source-sans-pro-700italic - latin */
+@font-face {
+  font-family: 'Source Sans Pro';
+  font-style: italic;
+  font-weight: 700;
+  src: url('/fonts/source-sans-pro-v21-latin-700italic.eot'); /* IE9 Compat Modes */
+  src: local(''),
+       url('/fonts/source-sans-pro-v21-latin-700italic.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
+       url('/fonts/source-sans-pro-v21-latin-700italic.woff2') format('woff2'), /* Super Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-700italic.woff') format('woff'), /* Modern Browsers */
+       url('/fonts/source-sans-pro-v21-latin-700italic.ttf') format('truetype'), /* Safari, Android, iOS */
+       url('/fonts/source-sans-pro-v21-latin-700italic.svg#SourceSansPro') format('svg'); /* Legacy iOS */
+}
+
 :root {
   --bs-blue: #158cba;
   --bs-indigo: #6610f2;
diff --git a/data/web/fonts/source-sans-pro-v21-latin-300.woff b/data/web/fonts/source-sans-pro-v21-latin-300.woff
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