[epiphany] overview: Center vertically the thumbnails grid

[Lorenzo Tilve <ltilve src gnome org>]

commit a92506075d4bf1b24e6695e2e222b38825159c7a
Author: Lorenzo Tilve <ltilve igalia com>
Date:   Wed Mar 19 11:29:39 2014 +0100

    overview: Center vertically the thumbnails grid
    
    Adjust the CSS styles of the overview to place the thumbnails grid
    centered vertically on the browser window.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=726701

 src/resources/overview.html |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)
---
diff --git a/src/resources/overview.html b/src/resources/overview.html
index cd74511..c22bb41 100755
--- a/src/resources/overview.html
+++ b/src/resources/overview.html
@@ -33,10 +33,17 @@
   }
 
   #overview {
-      padding: 60px 5px 0 5px;
+      padding: 0 5px;
       max-width: 1200px;
       margin-left: auto;
       margin-right: auto;
+      bottom: 0;
+      max-height: 540px;
+      margin: auto;
+      position: absolute;
+      top: 0;
+      right: 0;
+      left: 0;
   }
 
   #grid {