style: update mobile UI spacing, colors

src/views/catalog/catalog-filters/catalog-filters.module.css

@@ -19,6 +19,10 @@
   cursor: pointer;
 }
 
+.filtersButton {
+  text-transform: capitalize;
+}
+
 .modal label, .modal button, .modal select {
   cursor: pointer;
 }

src/views/catalog/catalog-filters/catalog-filters.tsx

@@ -57,7 +57,7 @@ const CatalogFilters = () => {
 
   return (
     <>
-      <span className='button' onClick={() => setShowModal(true)}>
+      <span className={`${styles.filtersButton} button`} onClick={() => setShowModal(true)}>
         {t('filters')}
       </span>
       {showModal && <FiltersModal closeModal={closeModal} />}