样式优化：试题结构全部删除按钮上下位置居中

src/views/exam/question.vue

@@ -1111,7 +1111,7 @@ onUnmounted(() => {
         right: 0;
         top: 0;
         width: 100px;
-        height: 36px;
+        height: 48px;
         display: flex;
         justify-content: flex-end;
         align-items: center;