form#sib_signup_form_1 p.sib-alert-message {
    padding: 6px 12px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
form#sib_signup_form_1 p.sib-alert-message-error {
    background-color: #f2dede;
    border-color: #ebccd1;
    color: #a94442;
}
form#sib_signup_form_1 p.sib-alert-message-success {
    background-color: #dff0d8;
    border-color: #d6e9c6;
    color: #3c763d;
}
form#sib_signup_form_1 p.sib-alert-message-warning {
    background-color: #fcf8e3;
    border-color: #faebcc;
    color: #8a6d3b;
}