change plex bg back

CSS/variables/plex.css

@@ -1,5 +1,5 @@
 :root {
-  --main-bg-color: url("https://raw.githubusercontent.com/gilbN/theme.park/master/Resources/blur-noise.png"), radial-gradient(circle at 0% 100%, rgba(54, 66, 84, 0.55) 0%, rgba(54, 66, 84, 0.043) 70%, rgba(54, 66, 84, 0) 80%) center center/cover no-repeat fixed, radial-gradient(circle at 100% 100%, rgba(113, 135, 153, 0.55) 0%, rgba(113, 135, 153, 0.043) 70%, rgba(113, 135, 153, 0) 80%) center center/cover no-repeat fixed, radial-gradient(circle at 100% 0%, rgba(54, 66, 84, 0.55) 0%, rgba(54, 66, 84, 0.043) 70%, rgba(54, 66, 84, 0) 80%) center center/cover no-repeat fixed, radial-gradient(circle at 0% 0%, rgba(91, 114, 135, 0.55) 0%, rgba(91, 114, 135, 0.043) 70%, rgba(91, 114, 135, 0) 80%), rgb(0, 0, 0) center center/cover no-repeat fixed;
+  --main-bg-color: url("https://raw.githubusercontent.com/gilbN/theme.park/master/Resources/blur-noise.png"), url("https://raw.githubusercontent.com/gilbN/theme.park/master/Resources/preset-light2.png") center center/cover no-repeat fixed;
   
   --modal-bg-color: #282828;
   --modal-header-color: #282828;