diff --git a/core/src/main/resources/render/theme/color/beaver.css b/core/src/main/resources/render/theme/color/beaver.css
index a7612d64..1448cde0 100644
--- a/core/src/main/resources/render/theme/color/beaver.css
+++ b/core/src/main/resources/render/theme/color/beaver.css
@@ -30,6 +30,9 @@ h1:not(.box h1) {
 
 .box.callout-box {
     background-color: rgb(234, 233, 247);
+}
+
+.box.callout-box > header {
     color: rgb(83, 81, 152);
 }
 
diff --git a/core/src/main/resources/render/theme/layout/beamer.css b/core/src/main/resources/render/theme/layout/beamer.css
index 77c8d33f..d7654663 100644
--- a/core/src/main/resources/render/theme/layout/beamer.css
+++ b/core/src/main/resources/render/theme/layout/beamer.css
@@ -9,7 +9,7 @@
     --qd-main-font: "Source Sans Pro", sans-serif;
     --qd-heading-font: "Fira Sans", sans-serif;
     --qd-code-font: "Noto Sans Mono", monospace;
-    --qd-code-font-size: 1.1em;
+    --qd-code-font-size: 1.25em;
     --qd-block-margin: 32px;
     --qd-box-margin-multiplier: 1.2;
 }