minor fix

components/Logiciels/Artist/Trial.vue

@@ -75,7 +75,7 @@
     left: 0;
     width: 100%;
     height: 100%;
-    background-color: rgba(0, 0, 0, 0.4);
+    background-color: rgba(0, 0, 0, 0.5);
     z-index: 1;
   }