only darken on dark mode

docs/stylesheets/extra.css

@@ -97,7 +97,7 @@ body {
   background-attachment: fixed;
   background-position: center;
   background-color: transparent;
-  color: rgba(255, 255, 255, 0.7);
+  color: rgba(255, 255, 255, 0.8);
 }
 
 .md-typeset h1 {
@@ -113,9 +113,13 @@ body[data-md-color-scheme="default"] {
   position: fixed;
   width: 100%;
   height: 100%;
-  background: hsl(0deg 0% 0% / 20%);
-  backdrop-filter: blur(192px);
-  -webkit-backdrop-filter: blur(192px);
+  background: hsl(0deg 0% 0% / 10%);
+  backdrop-filter: blur(128px);
+  -webkit-backdrop-filter: blur(128px);
+}
+
+[data-md-color-scheme="default"] .blur-overlay {
+  background: hsla(0, 0%, 0%, 0);
 }
 
 .md-nav--lifted > .md-nav__list > .md-nav__item--active > .md-nav__link,