How do I make the Textarea field larger?

For a single Textarea field

Go to Style tab of the Textarea element settings and at the bottom click Add a style then choose Textarea field as the selector and enter a CSS height into the box, for example:

1

height: 300px;

height: 300px;

For all Textarea fields in the form

Go to Settings → Style → Global and at the bottom click Add global style then choose Textarea fields as the selector and enter a CSS height into the box, for example:

1

height: 300px;

height: 300px;