Changed background color on reveal slides

.gitconfig

@@ -3,3 +3,5 @@
 	name = Nathan Schneider
 [core]
 	editor = emacs
+[init]
+	defaultBranch = main

.revealjs/ntn.css

@@ -2,7 +2,7 @@
  * Black theme for reveal.js. This is the opposite of the 'white' theme.
  *
  * By Hakim El Hattab, http://hakim.se, edited by Nathan Schneider, ntnsndr.in
- * Needs to be placed in ~/.revealjs/reveal.js/css/theme/
+ * Needs to be placed in ~/.revealjs/reveal.js/dist/theme/
  */
 section.has-light-background, section.has-light-background h1, section.has-light-background h2, section.has-light-background h3, section.has-light-background h4, section.has-light-background h5, section.has-light-background h6 {
   color: #222; }
@@ -13,7 +13,8 @@ section.has-light-background, section.has-light-background h1, section.has-light
 body {
   background: #222;
   background-color: #222;
-  background-image: linear-gradient(black, purple);}  /* ntnsndr added */
+  background-image: linear-gradient(#CFB87C, #CFB87C, black); /* ntnsndr added */
+}
   
 .reveal {
   font-family: "Dinreg", "D-DIN", "CMU Bright", Helvetica, sans-serif; /* ntnsndr adjusted */