diff --git a/js/src/views/ContractDevelop/contractDevelop.css b/js/src/views/ContractDevelop/contractDevelop.css
index 01395e622..d471f4a81 100644
--- a/js/src/views/ContractDevelop/contractDevelop.css
+++ b/js/src/views/ContractDevelop/contractDevelop.css
@@ -14,6 +14,7 @@
 /* You should have received a copy of the GNU General Public License
 /* along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 */
+
 .outer, .page, .editor {
   flex: 1;
   display: flex;
@@ -108,7 +109,6 @@
   overflow: auto;
 
   .panel {
-    background-color: rgba(0, 0, 0, 0.5);
     padding: 1em;
     flex: 1;
     display: flex;