[geary] Tidy up ConversationWebView's CSS a bit.

[Michael Gratton <mjog src gnome org>]

commit dd3d604b6d927f325604be30b41d909b5cfaaf81
Author: Michael James Gratton <mike vee net>
Date:   Wed Feb 8 00:31:25 2017 +1100

    Tidy up ConversationWebView's CSS a bit.

 ui/conversation-web-view.css |   23 ++++++++++++-----------
 1 files changed, 12 insertions(+), 11 deletions(-)
---
diff --git a/ui/conversation-web-view.css b/ui/conversation-web-view.css
index b366b58..81a4d1f 100644
--- a/ui/conversation-web-view.css
+++ b/ui/conversation-web-view.css
@@ -136,8 +136,15 @@ pre {
     -webkit-user-drag: none;
   }
 
-  .geary-quote-container .geary-button,
-  .geary-quote-container .geary-button {
+  .geary-quote-container.geary-controllable.geary-hide > .geary-hider {
+    display: none;
+  }
+  .geary-quote-container.geary-controllable.geary-hide > .geary-shower,
+  .geary-quote-container.geary-controllable > .geary-hider {
+    display: block;
+  }
+
+  .geary-quote-container >> .geary-button {
     display: block;
     width: 100%;
     height: 16px;
@@ -147,6 +154,8 @@ pre {
     padding: 0;
     font-size: 8px; /* Absolute size in pixels for graphics */
     white-space: pre;
+    -webkit-user-select: none;
+    -webkit-user-drag: none;
     /* All futher properties below are a workaround for WK Bug 166648
      * <https://bugs.webkit.org/show_bug.cgi?id=166648>. The result is
      * we need to manually style these buttons outselves. */
@@ -165,7 +174,7 @@ pre {
     text-shadow: 0 1px rgba(255, 255, 255, 0.76923);
     box-shadow: inset 0 1px rgba(255, 255, 255, 0.8); }
   }
-  .geary-quote-container .geary-button:hover {
+  .geary-quote-container >> .geary-button:hover {
     /* Likewise the properties below also workaround WK Bug 166648,
      * and taken from gtk/theme/Adwaita/gtk-contained.css. */
     color: #2e3436;
@@ -177,14 +186,6 @@ pre {
     background-image: linear-gradient(to bottom, #f7f7f7, #e8e8e7 60%, #dededd);
   }
 
-  .geary-quote-container.geary-controllable.geary-hide > .geary-hider {
-    display: none;
-  }
-  .geary-quote-container.geary-controllable.geary-hide > .geary-shower,
-  .geary-quote-container.geary-controllable > .geary-hider {
-    display: block;
-  }
-
   /* Highlight search terms */
 
   .geary_search_coloring *::selection {