discovery minor style changes

Former-commit-id: ea572c9d797214cbfc6f1b9ff2025f0c4819b4ed

pandora_console/include/styles/discovery.css

@@ -30,7 +30,6 @@ div.data_container {
   width: 100%;
   height: 100%;
   text-align: center;
-  border: 1px solid #ddd;
   padding-top: 30px;
   padding-bottom: 30px;
 }
@@ -39,6 +38,9 @@ div.data_container:hover {
   box-shadow: 2px 2px 10px #ddd;
 }
 
+/*
+ * TODO: This may be at hostdevices.css
+ */
 #contenedor_principal {
   height: auto;
   position: relative;