body {
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.alert-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background-color: red;
    color: white;
    font-size: 45px;
    text-align: center;
    line-height: 50px;
    overflow: hidden;
    white-space: nowrap;
    animation: slideText 10s linear infinite;
}

.alert-banner::before {
    content: attr(data-text);
}

@keyframes slideText {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(-100%);
    }
}

#movingText {
    position: absolute;
    top: 200px;
    font-size: 20px;
    white-space: nowrap;
    animation: slideText 8s linear infinite;
}

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: black;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
}

img {
    max-width: calc(100% - 200px);
    max-height: calc(100% - 200px);
}
