Fix display of deprecated blocks with Sphinx 1.2.

Doc/tools/sphinxext/pydoctheme/static/pydoctheme.css

@@ -122,7 +122,7 @@ div.body tt.xref, div.body a tt {
     font-weight: normal;
 }
 
-p.deprecated {
+.deprecated {
     border-radius: 3px;
 }
 

Doc/tools/sphinxext/static/basic.css

@@ -334,7 +334,7 @@ dl.glossary dt {
     font-style: italic;
 }
 
-p.deprecated, p.deprecated-removed {
+.deprecated, .deprecated-removed {
     background-color: #ffe4e4;
     border: 1px solid #f66;
     padding: 7px