#subscribe-banner {
    position: fixed;
    bottom: 20px;
    left: 20px;
    max-width: 420px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
    padding: 20px;
    font-size: 14px;
    z-index: 9999;
}
#subscribe-banner p { margin: 0 0 20px; }

.subscribe-content {
    position: relative;
}
.subscribe-close {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #444;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 16px;
    line-height: 14px;
}
.subscribe-close:hover {
    background: #000;
}