# Configuration
***
### Expert mode
**Field type**:\
Select
**Available values**:\
• no\
• yes
**Example value**:\
`yes`
**Path to the configuration**:\
Tab "Others" => Block "Expert settings"
**Technical name**:\
`twt-expert-mode`
{% hint style="info" %}
This configuration enables/disables the "Expert mode". Deactivate the "Expert mode" to be able to avoid errors.
{% endhint %}
## Individual CSS class
***
### Body class
**Field type**:\
Text field
**Example value**:\
\`\`
**Path to the configuration**:\
Tab "Others" => Block "Expert settings" => Section "Individual CSS class"
**Technical name**:\
`twt-body-class`
{% hint style="info" %} Adds one or more CSS classes to the HTML body. Separate multiple classes with spaces.
**Example**: my-shop {% endhint %}
## Individual code
***
### Individual CSS code
**Field type**:\
Teat area
**Example value**:\
\`\`
**Path to the configuration**:\
Tab "Others" => Block "Expert settings" => Section "Individual code"
**Technical name**:\
`twt-custom-css-code`
{% hint style="info" %}
These CSS code is loaded directly in the head area and should be minimized with a CSS minifier tool.\
Ideally, you should add CSS code via a SCSS file, e.g. with a customising plugin.
**Caution:** This configuration can lead to errors if you enter a wrong value! Only use this if you are absolutely sure.
{% endhint %}
***
### Individual HTML code
**Field type**:\
Teat area
**Example value**:\
\`\`
**Path to the configuration**:\
Tab "Others" => Block "Expert settings" => Section "Individual code"
**Technical name**:\
`twt-custom-html-code`
{% hint style="info" %} Individual HTML code in the \ area to add \ or \