Form

To enter theme editing mode, you first need to copy the theme, described here - "How do I change the design theme?" Next, select "Form". Settings are available for the form:

Background
Border
Shadow
Font
Indents

Background

In the "Background" menu, you can select the type of background for the form:

Color
Gradient
Image
Transparent background

If you choose "Color" item you will set solid color of the page background, color can be chosen from palette. In "Gradient" you can choose the start color, which will change into the end color and you can choose it too. You can also adjust the direction of the color transition:

Top down
Bottom up
From left to right
From right to left
From top left to bottom right
From bottom left to top right
From top right to bottom left
From bottom right to top left

The next item is "Image". To add an image to your page, click the "Choose Image" icon in the "Image URL" field and you will see the file manager pop up with your image choices:

Gallery
Photobank
My images

In the file manager in the gallery standard images are available, through the menu "upload" you can add your own images, which will be available in the tab "My images". In the sub-item "Repeat" you can reproduce the image, both in full screen, as well as vertically, horizontally. You can also adjust the X and Y shift in the "X Shift" and "Y Shift" sub-items, respectively. The page background menu offers a transparent background so you can click that to choose it:

Border

In the theme edit menu, using the "Border" item, you can set:

border width
border style
border color
border rounding

To access the frame settings, click the slider to enable the option (if it was disabled) and select the sub-item to adjust:

If you go into the "Color" sub-item and click the icon on the right, you will be presented with a color selection palette where you can choose the desired color or enter it manually in the "Color" sub-item:

In the "Transparency" setting, you can choose how transparent the frame will be. In the "Rounding" field you can adjust the degree of rounding of the frame edge of the form (0 means that the form will be rectangular).

Shadow

In the edit menu of your design theme, you can adjust the shadow of a form by turning on "Shadow" by moving the slider:

In the shadow settings you can set the following: shadow type (internal or external), shadow blur, shadow stretch, transparency and X and Y shift:

In the animation below, you can clearly see what the parameter changes affect:

Font

In the design theme edit menu, subsections are available under "Font":

Fields Labels
Fields Description
Answering options

In the "Item Name" subsection, you can select the font, font color, size, color, make the font italic or bold:

In the "Fields Description" subsection you can choose the font, font color, size, color of the elements description, make the font italic or bold

In the "Color" box on the right, if you click the icon, a palette with color and shade choices will open:

To access the Answer options settings, click the appropriate option:

In the Answer options subsection, you can select the font, font color, size, color for the answer choices (drop-down list and radio buttons), italicize or bold:

In the "Color" box on the right, if you click the icon, a palette with color and shade choices will open:

Indents

To access the "Indents" settings in the form theme editing mode, click on the "indents" subsection and you will see paddings and margins of the form available for customization: