Tab styles

src/lib/components/TabsContainer.svelte

@@ -111,7 +111,7 @@
                 {/if}
             </Block>
         {:else}
-            <Tabs>
+            <Tabs elem_classes={["gradio-tabs"]}>
                 {#each children.filter(item => item.id !== SHADOW_PLACEHOLDER_ITEM_ID) as item, i(item.id)}
                     {@const tabName = getTabName(container, i)}
                     <TabItem name={tabName} on:select={() => console.log("tab " + i)}>