Minor css changes

Author: jonnyz32

media/explain/explain.css

@@ -21,7 +21,7 @@
     height: 100%;
     border: none;
     margin: 0;
-    border: 2px solid red;
+    /* border: 2px solid red; */
 }
 
 

media/explain/explain.js

@@ -39,7 +39,7 @@ if (isWindowTooSmall(GRAPH_PADDING)) {
           padding: "5px",
           width: "150px", // fixed width
           shape: "roundrectangle",
-          "background-color": "var(--vscode-list-activeSelectionBackground)",
+          "background-color": "lightgray",
           color: "var(--vscode-list-activeSelectionForeground)",
           label: "data(label)",
           "text-wrap": "wrap", // enable wrapping