a few mobile improvements

ui/src/components/promotions/promotionList.vue

@@ -83,9 +83,6 @@ function formatDate(date: Date): string {
 </script>
 <template>
     <div class="flex flex-col max-w-7xl w-full">
-        <p class="scroll-m-20 text-2xl font-semibold tracking-tight mb-3">
-            Promotion History
-        </p>
         <div class="w-full mx-auto">
             <Table>
                 <TableHeader>
@@ -130,7 +127,7 @@ function formatDate(date: Date): string {
             <div v-if="loading" class="w-full flex mx-auto justify-center my-15">
                 <Spinner class="size-7"></Spinner>
             </div>
-            <div class="mt-5 flex justify-between">
+            <div class="mt-5 flex justify-between mb-20">
                 <div></div>
                 <Pagination v-slot="{ page }" :items-per-page="pageData?.pageSize || 10" :total="pageData?.total || 10"
                     :default-page="2" :page="pageNum" @update:page="setPage">