body {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    background-image: url('Posledna-vecera-Jezis-PC.png');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.overlay {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    white-space: nowrap;
}

.animated-button {
    border: 2px solid gold;
    padding: 20px 40px;
    font-size: 24px;
    background: transparent;
    color: black;
    cursor: pointer;
    font-weight: bold;
    animation: colorchange 1s linear forwards;
}

@keyframes colorchange {
    0% { color: black; }
    50% { color: white; }
    100% { color: gold; }
}

@media (max-width: 768px) {
    body {
        background-image: url('Posledna-vecera-Jezis-Mobil.png');
        background-size: cover;
        background-position: center;
    }

    .overlay {
        top: 50%;
        left: 50%;
        transform: translate(calc(-50% + 136px), -50%) rotate(90deg);
        transform-origin: center;
        white-space: nowrap;
    }

    .animated-button {
        font-size: 20px;
        padding: 15px 30px;
    }
}