/* Reset */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Vollbild */

html,
body {
    width: 100%;
    height: 100%;
    background: #000;
    overflow: hidden;
}

/* Zentrierung */

.container {
    width: 100vw;
    height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;
}

/* Banner */

.banner {
    max-width: 100%;
    max-height: 100%;

    object-fit: contain;

    animation: pulse 10s ease-in-out infinite;

    filter:
        drop-shadow(0 0 15px rgba(255, 0, 0, 0.4))
        drop-shadow(0 0 30px rgba(255, 50, 50, 0.2));
}

/* langsamer Zoom */

@keyframes pulse {

    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.03);
    }

    100% {
        transform: scale(1);
    }
}