This article explains how to replace the native search bar in the Blocksy theme by creativethemeshq.
FiboSearch plugin features built-in integration with this theme. It means you can replace the default search bars by selecting a single checkbox.
If you have activated the Blocksy theme or the child theme of Blocksy theme, you should see the following screen in the plugin settings:WooCommerce
→ FiboSearch
→ Starting (tab)
Select the option Replace them
and the search bar should be replaced.