diff --git a/frontend/src/views/OilReference.vue b/frontend/src/views/OilReference.vue
index b05b3b2..f6b9bea 100644
--- a/frontend/src/views/OilReference.vue
+++ b/frontend/src/views/OilReference.vue
@@ -1110,7 +1110,7 @@ async function saveCardImage(name) {
 }
 
 /* ===== Add Oil Form ===== */
-.add-type-tabs { display: flex; gap: 0; margin-bottom: 10px; width: fit-content; }
+.add-type-tabs { display: flex; gap: 0; margin-bottom: 10px; }
 .add-type-tab {
   padding: 6px 20px; text-align: center; font-size: 13px; cursor: pointer;
   border: 1.5px solid var(--border, #d4cfc7); background: #fff; color: var(--text-mid, #6b6375);