body {
    background-color: #000000;
    overflow: hidden;
}

.screen-container {
    display: flex;
    justify-content: center;
    align-items: center;

    min-height: 100vh;
    width: 100vw;
    margin: 0;
}

img {
    max-width: 100%;
    height: auto;
}

button {
    background-color: #000000;
    border: 1px solid #000000;
}