make shadowbox video always centered to fit the window height

Change-Id: I03f8ffac555dbbbbd5538fedf13413aca031fd74
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index 0e437bc..36b5f87 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -6950,25 +6950,26 @@
   display:none;
   position:fixed;
   top:0;
-  left:-10px;
-  width:102%;
+  left:0;
+  width:100%;
   height:100%;
-  background-color:rgba(0,0,0,0.7);
-  z-index:99;
+  background-color:rgba(0,0,0,0.8);
+  z-index:9999;
 }
 
 #video-frame {
-  width:948px;
-  height:529px;
-  margin:32px auto 0;
+  width:940px;
+  height:100%;
+  margin:72px auto;
   display:none;
+  position:relative;
 }
 
 .video-close {
   cursor: pointer;
-  position: relative;
-  left: 948px;
-  top: -8px;
+  position: absolute;
+  right: -49px;
+  top: -49px;
   pointer-events: all;
 }