iframe {
    max-width: 99%; 
}

input.wpcf7-form-control.wpcf7-submit:hover {
background-color: #0b5cba;
color: #3b76bb;
}
input.wpcf7-form-control.wpcf7-submit {
background-color: #3b76bb;
color: 0b5cba;
}