Added margin for UpdateItemTable

web/src/components/UpdateItemTable.vue

 <template>
-  <div
-    class="flex items-center justify-center panel-table w-full md:w-auto pt-10"
-  >
-    <table
-      :id="id"
-      class="table table-striped table-bordered table-hover"
-    ></table>
+  <div class="main">
+    <table :id="id"  class="table table-striped table-bordered table-hover" width="100%"></table>
   </div>
 </template>
 

web/src/views/UpdateItems.vue

 <template>
   <div id="page-content-wrapper" class="main">
     <div v-if="userData !== null && (userRole === 'Contributor' || userRole === 'Maintainer')">
-      <h4 class="round">Update Items</h4>
+      <h2 class="round">Update Items</h2>
       <update-item-table id="update-item-table">
       </update-item-table>
     </div>
@@ -62,6 +62,10 @@ export default {
 <style>
 @import url("~@/assets/bootstrap.css");
 
+h3 {
+  margin: 40px 0 0;
+}
+
 a {
   color: #42b983;
 }