Hakema booking widget works easily on most sites without any changes including WordPress. Follow these steps to add your Hakema booking widget to your wordpress site.
1. Login to your Wordpress site as an administrator. Click on "Appearance" and choose "Widgets".
2. Then drag and move "Text" label to Widget Area
3. Login to Hakema Admin Panel by clicking this link. Go to Settings -> Integrate booking widget and click "View". You will see the widget code.
4. Put Hakema booking widget code box as shown below and click save. Your booking buttton should appear on your wordpress site.