diff --git a/public/css/theme-bthree-dark.css b/public/css/theme-bthree-dark.css
index 2df7f42..29cc814 100644
--- a/public/css/theme-bthree-dark.css
+++ b/public/css/theme-bthree-dark.css
@@ -127,18 +127,18 @@
 
   /* Color: diff */
   --color-diff-added-word-bg: hsl(120, 25.5%, 32%);
-  --color-diff-removed-word-bg: hsl(0, 37%, 31.8%);
+  --color-diff-removed-word-bg: hsl(0, 37%, 32%);
 
   --color-diff-added-row-bg: hsla(123, 36%, 43%, 0.1);
-  --color-diff-added-row-linesnum-bg: hsla(123, 36%, 43%, 0.3);
+  --color-diff-added-row-linesnum-bg: hsla(123, 36%, 40%, 0.2);
   --color-diff-added-row-border: hsl(134.4, 20%, 24%);
   --color-diff-removed-row-bg: hsl(0, 20%, 20%);
-  --color-diff-removed-row-linesnum-bg: hsl(0, 30%, 30%);
+  --color-diff-removed-row-linesnum-bg: hsl(0, 25%, 23%);
   --color-diff-removed-row-border: hsl(0, 19%, 33%);
   --color-diff-moved-row-bg: hsl(59, 31%, 38.6%);
   --color-diff-moved-row-border: hsl(69.2, 46%, 61%);
 
-  --color-diff-inactive: hsl(229.4, 13.8%, 24%);
+  --color-diff-inactive: hsl(229, 14%, 13%);
 
   /* Color: messages and status. */
   --color-error-border: hsl(0, 42%, 44.1%);
@@ -160,7 +160,7 @@
 
   --color-box-header: hsl(213, 12%, 22%);
   --color-box-body: hsl(213, 12%, 18%);
-  --color-box-body-highlight: hsla(204deg, 60%, 36%, .15);
+  --color-box-body-highlight: hsla(204deg, 60%, 15%, .15);
 
   --color-text: #bbc0ca;
   --color-text-dark: hsl(220, 26%, 89%);