baselining the z-index to 0

Author: jashkenas

public/stylesheets/DV/themes/plain.css

@@ -3,6 +3,8 @@
 .DV-docViewer {
   border: 1px solid #aaa;
   line-height: normal;
+  position: relative;
+  z-index: 0;
 }
 .DV-headerHat, .DV-title, .DV-contentsHeader {
   display: none !important;
@@ -12,7 +14,7 @@
   border-bottom: 1px solid #777;
   position: relative;
   z-index: 20000;
-  box-shadow: 0 0 25px rgba(0,0,0,.35); -webkit-box-shadow: 0 0 25px rgba(0,0,0,.35); -moz-box-shadow: 0 0 25px rgba(0,0,0,.35);
+  box-shadow: 0 0 25px rgba(0,0,0,0.35); -webkit-box-shadow: 0 0 25px rgba(0,0,0,0.35); -moz-box-shadow: 0 0 25px rgba(0,0,0,0.35);
 }
   .DV-controls {
     margin-top: 0;