experimental css changes

components/CardPreview.vue

@@ -3,7 +3,7 @@ import type { Card } from '~/netcode/Card';
 
 
 export interface Props {
-    data?: Card | null
+    data: Card | null | undefined
     locked?: boolean
 }
 
@@ -15,7 +15,7 @@ const buttonsElement = ref<HTMLElement | null>(null)
 const rightClicked = ref(false)
 
 function cardClick() {
-    if (props.data == null) return
+    if (!props.data) return
     emit("click")
 }