implemented genres

src/static/sass/components/_movieShowcase.scss

@@ -8,9 +8,10 @@
    }
 
    &__container { 
-     overflow-y:hidden;
+     overflow-y: hidden;
       transition: transform 450ms;
       overflow-x: scroll;
+      
       flex: 1 1 auto;
       display: grid;
       grid-template-columns: repeat(20, 1fr);

src/static/sass/layout/_navigation.scss

@@ -1,6 +1,6 @@
 .navigation {
    background-color: transparent; 
-
+   z-index: 100;
    grid-column: 1 / 13; 
    position: fixed;
    width: 100%;