refactor(guess-the-word): simplify styles for Definitions tab pagination

Author: Hdoc1509

vanilla/guess-the-word/components/menu/DefinitionsTabContent.ejs

@@ -1,6 +1,6 @@
 <div id="definition-pages-container"></div>
 <nav aria-label="Definition pages">
-  <menu id="definition-pagination" class="pagination">
+  <menu id="definition-pagination" class="pagination | flex justify-center">
     <li class="pagination__item">
       <button
         class="pagination__trigger"

vanilla/guess-the-word/src/styles/pagination.css

@@ -1,13 +1,8 @@
 .pagination {
   --_hover: var(--slate-950);
 
-  /* TODO: use `.flex.justify-center` utility classes */
-  display: flex;
-  justify-content: center;
   gap: 12px;
-
   padding-bottom: 0.125rem;
-
   font-size: var(--pagination-item-size, 1.125rem);
 }