.campaign-container {
    margin: 0 auto;
    max-width: 640px;
    padding: 10px 20px 30px;
}

.campaign-banner {
    text-align: center;
    width: 100%;
}

.campaign-banner img {
    max-width: 100%;
    display: block;
}

.campaign-description {
    margin: 10px 0;
}

.campaign-description ul {
    padding: 0 0 0 15px;
    line-height: 16px;
    list-style-position: outside;
}

.campaign-action {
    text-align: center;
    margin: 15px auto;
}

.campaign-loading {
    margin-top: 150px;
    text-align: center;
}

.campaign-loading img {
    margin: 0 auto;
    display: block;
    width: 60px;
}

.campaign-blocker {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    background-color: rgba(50, 50, 50, 0.5);
    z-index: 100;
    top: 0;
    text-align: center;
}

.campaign-blocker img {
    position: fixed;
    display: block;
    width: 64px;
    top: 40%;
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 101;
}