.form.subscribe #loading-message {
    color: #FFF;
}
.form.subscribe #loading-message .glyphicon {
    font-size: 20px;
    vertical-align: bottom;
}
.form.subscribe .loader-newsletter {
    display: inline-block;
    vertical-align: bottom;
    background: url("../images/loader-newsletter.gif") top left no-repeat;
    height: 20px;
    width: 20px;
}