Update file random.html

wiki/pages/random.html

@@ -25,7 +25,7 @@
       line-height: 1.6;
       margin: 0;
       padding: 0;
-      background-image: linear-gradient(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.7)), url('https://static.igem.wiki/teams/5187/art/bg.png');
+      background-image: url('https://static.igem.wiki/teams/5187/ran-1.jpg');
       background-attachment: fixed;
       background-size: cover;
       background-position: 90% center;