How do I make the fields larger?

For a single field

Single Line Text

Go to Single Line Text → Settings → Advanced and add a CSS style for Text input, enter a CSS width into the box. E.g.

1

width: 250px;

width: 250px;

Paragraph Text

Go to Paragraph Text → Settings → Advanced and add a CSS style for Textarea input, enter a CSS width and/or height into the box. E.g.

1
2

width: 250px;
height: 100px;

width: 250px;
height: 100px;

For all fields of the same type in the form

Single Line Text

Go to Settings → Style → Global styling and add a CSS style for Text input elements, enter a CSS width into the box. E.g.

1

width: 250px;

width: 250px;

Paragraph Text

Go to Settings → Style → Global styling and add a CSS style for Paragraph Text elements, enter a CSS width and/or height into the box. E.g.

1
2

width: 250px;
height: 100px;

width: 250px;
height: 100px;