.ck-email4link-form {
    margin: 20px 15px !important;
}

.ck-email4link-form > h2 {
    font-size: 16px !important;
}

.ck-email4link-form > h2,
.ck-email4link-form > div,
.ck-email4link-form > p {
    margin-bottom: 20px !important;
}

.ck-email4link-form input:not([type='checkbox']),
.ck-email4link-form textarea {
    width: 100% !important;
}

.ck-email4link-form input[type='checkbox'] {
    margin-right: 10px !important;
}