diff --git a/styles/less/global/sheet.less b/styles/less/global/sheet.less
index 0c400564..5ccb8788 100755
--- a/styles/less/global/sheet.less
+++ b/styles/less/global/sheet.less
@@ -4,8 +4,8 @@
 
 // Theme handling
 .appTheme({
-    background: @dark-blue-90;
-    backdrop-filter: blur(8px);
+    background: @dark-blue-d0;
+    backdrop-filter: blur(7px);
 }, {
     background: url('../assets/parchments/dh-parchment-light.png') no-repeat center;
 });
diff --git a/styles/less/utils/colors.less b/styles/less/utils/colors.less
index 18b981ad..80519a5b 100755
--- a/styles/less/utils/colors.less
+++ b/styles/less/utils/colors.less
@@ -51,6 +51,7 @@
     --dark-blue-50: #18162e50;
     --dark-blue-60: #18162e60;
     --dark-blue-90: #18162e90;
+    --dark-blue-d0: #18162ed0;
     --semi-transparent-dark-blue: rgba(24, 22, 46, 0.33);
 
     --dark: #222222;
@@ -136,6 +137,7 @@
 @dark-blue-50: var(--dark-blue-50, #18162e50);
 @dark-blue-60: var(--dark-blue-60, #18162e60);
 @dark-blue-90: var(--dark-blue-90, #18162e90);
+@dark-blue-d0: var(--dark-blue-d0, #18162ed0);
 @semi-transparent-dark-blue: var(--semi-transparent-dark-blue, rgba(24, 22, 46, 0.33));
 
 @dark: var(--dark, #222222);