diff --git a/source/components/BlueButton.css b/source/components/BlueButton.css
index 4b0877736..9202490a2 100644
--- a/source/components/BlueButton.css
+++ b/source/components/BlueButton.css
@@ -21,7 +21,8 @@
 	opacity: 1;
 }
 .blueButton:disabled {
-	background: #4b4b66 !important;
+	background: #4b4b6633 !important;
+	box-shadow: none;
 }
 .blueButton a {
 	color: inherit;
diff --git a/source/components/TargetSelection.js b/source/components/TargetSelection.js
index b3c71676c..149a05797 100644
--- a/source/components/TargetSelection.js
+++ b/source/components/TargetSelection.js
@@ -23,12 +23,7 @@ export default class TargetSelection extends Component {
 						Vous pouvez faire plusieurs choix
 					</p>
 					<Link to={'/simu/' + targets.join('+')}>
-						<BlueButton
-							disabled={!ready}
-							style={{ opacity: !ready ? 0.15 : 1 }}
-						>
-							Valider
-						</BlueButton>
+						<BlueButton disabled={!ready}>Valider</BlueButton>
 					</Link>
 				</div>
 			</section>