diff --git a/dist/base.module.css b/dist/base.module.css
index c452f5d..666b1d3 100644
--- a/dist/base.module.css
+++ b/dist/base.module.css
@@ -140,7 +140,7 @@
   flex-wrap: wrap;
   flex-direction: row;
   gap: 0.5em;
-  justify-content: stretch;
+  justify-content: center;
   align-items: stretch;
   margin: 0.5em;
 }
diff --git a/dist/base.root.css b/dist/base.root.css
index c24b4a8..6213b12 100644
--- a/dist/base.root.css
+++ b/dist/base.root.css
@@ -140,7 +140,7 @@ body .chapter-9 {
   flex-wrap: wrap;
   flex-direction: row;
   gap: 0.5em;
-  justify-content: stretch;
+  justify-content: center;
   align-items: stretch;
   margin: 0.5em;
 }
diff --git a/dist/classic.module.css b/dist/classic.module.css
index f680e6e..91ee0ca 100644
--- a/dist/classic.module.css
+++ b/dist/classic.module.css
@@ -32,7 +32,7 @@
 }
 .bluelib .panel .panel,
 .bluelib .table.panel > .table-caption .panel {
-  background-color: hsl(var(--bhsl-foreground-hue) var(--bhsl-foreground-saturation) var(--bhsl-foreground-lightness) / 0.075);
+  background-color: hsl(var(--bhsl-current-hue) var(--bhsl-current-saturation) var(--bhsl-current-lightness) / 0.075);
   backdrop-filter: none;
   box-shadow: none;
 }
diff --git a/dist/classic.root.css b/dist/classic.root.css
index 4476e81..db19528 100644
--- a/dist/classic.root.css
+++ b/dist/classic.root.css
@@ -32,7 +32,7 @@ body table.panel > caption {
 }
 body .panel .panel,
 body table.panel > caption .panel {
-  background-color: hsl(var(--bhsl-foreground-hue) var(--bhsl-foreground-saturation) var(--bhsl-foreground-lightness) / 0.075);
+  background-color: hsl(var(--bhsl-current-hue) var(--bhsl-current-saturation) var(--bhsl-current-lightness) / 0.075);
   backdrop-filter: none;
   box-shadow: none;
 }
diff --git a/dist/colors-amber.module.css b/dist/colors-amber.module.css
index cc69e77..f05737e 100644
--- a/dist/colors-amber.module.css
+++ b/dist/colors-amber.module.css
@@ -16,10 +16,10 @@
   --bhsl-link-hue: 50deg;
   --bhsl-link-saturation: 100%;
   --bhsl-link-lightness: 80%;
-  --bhsl-mark-foreground-hue: 32deg;
+  --bhsl-mark-foreground-hue: 19deg;
   --bhsl-mark-foreground-saturation: 64%;
   --bhsl-mark-foreground-lightness: 14%;
-  --bhsl-mark-background-hue: 32deg;
+  --bhsl-mark-background-hue: 19deg;
   --bhsl-mark-background-saturation: 100%;
   --bhsl-mark-background-lightness: 81%;
   --bhsl-todo-foreground-hue: 43deg;
@@ -36,22 +36,22 @@
   --bhsl-sample-output-lightness: 100%;
   --bhsl-red-hue: 0deg;
   --bhsl-red-saturation: 100%;
-  --bhsl-red-lightness: 75%;
+  --bhsl-red-lightness: 66%;
   --bhsl-yellow-hue: 60deg;
   --bhsl-yellow-saturation: 100%;
-  --bhsl-yellow-lightness: 75%;
+  --bhsl-yellow-lightness: 66%;
   --bhsl-green-hue: 120deg;
   --bhsl-green-saturation: 100%;
-  --bhsl-green-lightness: 75%;
+  --bhsl-green-lightness: 66%;
   --bhsl-cyan-hue: 180deg;
   --bhsl-cyan-saturation: 100%;
-  --bhsl-cyan-lightness: 75%;
+  --bhsl-cyan-lightness: 66%;
   --bhsl-blue-hue: 240deg;
   --bhsl-blue-saturation: 100%;
-  --bhsl-blue-lightness: 75%;
+  --bhsl-blue-lightness: 66%;
   --bhsl-magenta-hue: 300deg;
   --bhsl-magenta-saturation: 100%;
-  --bhsl-magenta-lightness: 75%;
+  --bhsl-magenta-lightness: 66%;
   --bhsl-inserted-hue: var(--bhsl-green-hue);
   --bhsl-inserted-saturation: var(--bhsl-green-saturation);
   --bhsl-inserted-lightness: var(--bhsl-green-lightness);
diff --git a/dist/colors-amber.root.css b/dist/colors-amber.root.css
index 3f89b1f..7183ae9 100644
--- a/dist/colors-amber.root.css
+++ b/dist/colors-amber.root.css
@@ -16,10 +16,10 @@ body {
   --bhsl-link-hue: 50deg;
   --bhsl-link-saturation: 100%;
   --bhsl-link-lightness: 80%;
-  --bhsl-mark-foreground-hue: 32deg;
+  --bhsl-mark-foreground-hue: 19deg;
   --bhsl-mark-foreground-saturation: 64%;
   --bhsl-mark-foreground-lightness: 14%;
-  --bhsl-mark-background-hue: 32deg;
+  --bhsl-mark-background-hue: 19deg;
   --bhsl-mark-background-saturation: 100%;
   --bhsl-mark-background-lightness: 81%;
   --bhsl-todo-foreground-hue: 43deg;
@@ -36,22 +36,22 @@ body {
   --bhsl-sample-output-lightness: 100%;
   --bhsl-red-hue: 0deg;
   --bhsl-red-saturation: 100%;
-  --bhsl-red-lightness: 75%;
+  --bhsl-red-lightness: 66%;
   --bhsl-yellow-hue: 60deg;
   --bhsl-yellow-saturation: 100%;
-  --bhsl-yellow-lightness: 75%;
+  --bhsl-yellow-lightness: 66%;
   --bhsl-green-hue: 120deg;
   --bhsl-green-saturation: 100%;
-  --bhsl-green-lightness: 75%;
+  --bhsl-green-lightness: 66%;
   --bhsl-cyan-hue: 180deg;
   --bhsl-cyan-saturation: 100%;
-  --bhsl-cyan-lightness: 75%;
+  --bhsl-cyan-lightness: 66%;
   --bhsl-blue-hue: 240deg;
   --bhsl-blue-saturation: 100%;
-  --bhsl-blue-lightness: 75%;
+  --bhsl-blue-lightness: 66%;
   --bhsl-magenta-hue: 300deg;
   --bhsl-magenta-saturation: 100%;
-  --bhsl-magenta-lightness: 75%;
+  --bhsl-magenta-lightness: 66%;
   --bhsl-inserted-hue: var(--bhsl-green-hue);
   --bhsl-inserted-saturation: var(--bhsl-green-saturation);
   --bhsl-inserted-lightness: var(--bhsl-green-lightness);