Removing the close button for the initial pane

assets/styles/style.css

@@ -317,6 +317,9 @@ nav {
 .pane-root {
   background-color: var(--bg);
 }
+.pane-root .pane-close {
+  display: none !important;
+}
 
 .pane-header {
   display: none; /* Hide the old pane-header */
@@ -682,6 +685,11 @@ li ol li::before {
     border-right: none;
     border-bottom: 1px dotted var(--border);
   }
+
+    .pane-fullscreen {
+
+	display: none !important;
+    }
 }
 /* =========================================================
    FULLSCREEN PANE MODE