SilkStart lets you insert call-to-action buttons anywhere that you can add regular text. Simply use the "button" icon on the WYSIWYG editor to create an eye-catching button.
Set the Style, Size, Text, and Link for the button. Note that changing the style will change the color.
Double click on your button to adjust the configurations. Move the button around by dragging it with the anchor above the top-left corner of the button (pictured below), or use the text alignment icons in the toolbar.
Sample use of a button: