Update @form.latte

app/Core/Widget/@form.latte

@@ -19,7 +19,7 @@
 			{case 'text'}<input n:name="$name" n:class="'form-control', $class">
 			{case 'select'}<select n:name="$name" n:class="'form-select', $class"></select>
 			{case 'textarea'}<textarea n:name="$name" n:class="'form-control', $class" rows="{$rows}"></textarea>
-			{case 'submit'}<input n:name="$name" n:class="'btn btn-primary'>
+			{case 'submit'}<input n:name="$name" n:class="'btn btn-primary text-white', $class" data-btn-submit>
 		{/switch}
 	</div>
 {/define}