# Regeneration
The Regeneration tab allows you to regenerate Block HTML, Block CSS, Global Classes CSS, Global Styles CSS.
{% hint style="info" %}
This is useful when you update to a later version and are asked to regenerate Block HTML, Block CSS, Global Classes CSS and/or Global Styles CSS.
{% endhint %}
## Blocks HTML
The is allows you to regenerate the HTML of your blocks.
* In the Dashboard, open Cwicly Settings.
* Open the Regeneration tab.
* Click the Blocks HTML button to regenerate the HTML of your blocks.
## Blocks CSS
The is allows you to regenerate the main CSS for Cwicly blocks.
* In the Dashboard, open Cwicly Settings.
* Open the Regeneration tab.
* Click the Blocks CSS button to regenerate the main CSS for Cwicly blocks.
## Global Classes CSS
The is allows you to regenerate the CSS of the Cwicly Classes Styles.
* In the Dashboard, open Cwicly Settings.
* Open the Regeneration tab.
* Click the Global Classes CSS button to regenerate the CSS of the Cwicly Classes Styles.
## Global Styles CSS
The is allows you to regenerate the CSS of the Cwicly Global Styles.
* In the Dashboard, open Cwicly Settings.
* Open the Regeneration tab.
* Click the Global Styles CSS button to regenerate the CSS of the Cwicly Global Styles.
## Purge Tailwind CSS
This allows you to purge your Tailwind CSS to remove unused classes.
* In the Dashboard, open Cwicly Settings.
* Open the Regeneration tab.
* Click the Purge Tailwind CSS to regenerate the CSS of Tailwind
