Fix list-row

gtk-3.0/scss/_grid.scss

@@ -11,11 +11,13 @@
     color: $fg_color;
 
     &-row {
+        &, &.button {
             border: none;
             border-radius: 0;
             padding: $spacing;
             background-image: none;
             background-color: transparent;
+            box-shadow: none;
 
             &:hover {
                 background-image: none;
@@ -31,6 +33,7 @@
             }
         }
     }
+}
 
 .grid-child {
     &, GtkFlowBox & {