.system-message-banner {
    padding-bottom: 2em;
}
.system-message-banner .close {
    text-decoration: none;
    font-size: 2em;
    float: right;
    padding-left: 15px;
}

.system-message-lightbox {
    max-width: 50%;
    background: #fff;
    padding: 25px;
}