app/assets/styles/general.css

@@ -3,7 +3,6 @@
   --padding-small: 0.5rem;
   --padding-large: 2rem;
   --radius-default: 3px;
-  --radius-border: 15px;
   --transition-default: 150ms;
 
   --color-success: #328104;

app/assets/styles/header.css

@@ -63,24 +63,4 @@
             }
         }
     }
-
-    &:after, &:before {
-        content: '';
-        display: block;
-        position: absolute;
-        bottom: calc(-1 * var(--radius-border));
-        background: var(--color-blue-darkest);
-        width: var(--radius-border);
-        height: var(--radius-border);
-    }
-
-    &:after {
-        right: 0;
-        mask: radial-gradient(var(--radius-border) at 0 100%,#0000 98%,#000);
-    }
-
-    &:before {
-        left: 0;
-        mask: radial-gradient(var(--radius-border) at 100% 100%,#0000 98%,#000);
-    }
 }

app/assets/styles/page.css

@@ -46,6 +46,8 @@
 }
 
 .content {
+    border-top-left-radius: 15px;
+    border-top-right-radius: 15px;
     overflow: hidden;
     background: var(--color-lightest);
     height: 100%;