use black as accent color

src/base.css

@@ -18,8 +18,9 @@
 
     overflow: hidden;
 
-    opacity: 0.4;
     filter: blur(40px);
+
+    background: var(--background);
 }
 
 main {
@@ -41,6 +42,8 @@ main {
     bottom: -50%;
 
     background-image: radial-gradient(var(--sky-1), var(--sky-2));
+    
+    opacity: 0.5;
 }
 
 body {
@@ -54,7 +57,7 @@ body {
     --color-2: hsl(150, 60%, 25%);
 
     filter: var(--backdrop-grass-filter);
-    opacity: 0.7;
+    opacity: 0.4;
 
     background-image: linear-gradient(
         350deg,
@@ -69,7 +72,7 @@ body {
     --color-2: hsl(110, 60%, 35%);
 
     filter: var(--backdrop-grass-filter);
-    opacity: 0.7;
+    opacity: 0.4;
 
     background-image: linear-gradient(
         9deg,