hide horizontal scrollbars on firefox and chrome (other browsers untested)

src/static/sass/components/_movieShowcase.scss

@@ -7,14 +7,18 @@
       padding-top: 2rem;
    }
 
+   &__container::-webkit-scrollbar {
+      display: none;
+   }
+
    &__container { 
-      overflow-y: hidden;
+      scrollbar-width: none;
       transition: transform 450ms;
+      overflow: -moz-hidden-unscrollable;
       overflow-x: scroll;
       display: flex;
       width: 95vw;
       overflow: -moz-scrollbars-horizontal; 
- 
       grid-template-columns: repeat(20, 1fr);
       column-gap: 0;