dwb: set color for about:blank

diff --git a/dwb/userscripts/blank.js b/dwb/userscripts/blank.js
new file mode 100755 (executable)
index 0000000..4028ef1
--- /dev/null
+++ b/dwb/userscripts/blank.js
@@ -0,0 +1,7 @@
+#!javascript
+
+Signal.connect("documentLoaded", function (wv) {
+  if (wv.uri == "about:blank") {
+    wv.inject("document.body.style.background = '#222';");
+  }
+});