diff --git a/prototype/frost.webp b/prototype/frost.webp
index ae414c0..9f30470 100644
Binary files a/prototype/frost.webp and b/prototype/frost.webp differ
diff --git a/prototype/mint-dark.css b/prototype/mint-dark.css
new file mode 100644
index 0000000..be67921
--- /dev/null
+++ b/prototype/mint-dark.css
@@ -0,0 +1,13 @@
+/* mint theme */
+:root {
+	--glass:             url("frost.webp"), #33333377;
+	--background:        #111;
+	--foreground:        #CCC;
+	--subtle-foreground: #777;
+	--outline:           #FFFFFF15;
+	--shine:             #FFFFFF18;
+	--accent:            #209D6E;
+	--subtle-accent:     #209D6E30;
+	--shadow:            0 4px 32px #03281A12;
+	--icon-filter:       hue-rotate(157deg) saturate(0.80) brightness(1.3);
+}
diff --git a/prototype/style.css b/prototype/style.css
index 1572673..9741812 100644
--- a/prototype/style.css
+++ b/prototype/style.css
@@ -53,7 +53,7 @@ h3 {
 #stickyWrap {
 	position: sticky;
 	top: 0;
-	transition: 0.2s box-shadow;
+	transition: 0.2s box-shadow, 0.2s background;
 	z-index: 255;
 }