body {
    height: 100%;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
}
.container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    height:100vh;
}
img {
    max-width: 100%;
}