fix (style) : declaration order

Author: Cocola

src/scss/patterns/_hero.scss

@@ -17,6 +17,8 @@
     }
 
     &__img {
+        @include object-fit;
+
         z-index: $zindex;
         position: absolute;
         top: 0;
@@ -25,7 +27,6 @@
         bottom: 0;
         height: 100%;
         width: 100%;
-        @include object-fit();
     }
 
     @include breakpoints(md) {