[static-web] cgit: Various style fixes

[Tom Tryfonidis <tomtryf src gnome org>]

commit 90034155c7002f1b9ab57d6255364036fd9b3dff
Author: Tom Tryfonidis <tomtryf gnome org>
Date:   Fri Jan 5 14:42:28 2018 +0200

    cgit: Various style fixes
    
    Make pre and code background color transparent
    Remove a black box that caused from footer CSS class

 cgit/cgit-gnome.css |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/cgit/cgit-gnome.css b/cgit/cgit-gnome.css
index d0473dc..3249adb 100644
--- a/cgit/cgit-gnome.css
+++ b/cgit/cgit-gnome.css
@@ -126,3 +126,16 @@ a.branch-deco {
     color: #fff !important;
     border-radius: 2px;
 }
+
+/* https://git.gnome.org/browse/static-web/tree/cgit
+ * Remove a black box that is caused from the footer CSS class */
+
+.content .footer{
+    background-color: transparent;
+}
+
+/* Bootstrap theme overwrites */
+
+pre {
+    background-color: #fff !important;
+}