/* Change submit button color */
div.wpforms-container .wpforms-form input[type=submit],
div.wpforms-container .wpforms-form button[type=submit] {

background-color: #ffffff !important; /* Button hover background color */
  border-color: #ffffff !important; /* Button hover border color */
} 
	
/* Change submit button hover color */
div.wpforms-container .wpforms-form input[type=submit]:hover,
div.wpforms-container .wpforms-form button[type=submit]:hover {

 background-color: #B03321 !important; /* Button background color */
  border: 1px solid #B03321 !important; /* Button border color */
}