body {

    display: flex;
    flex-direction: column;
    

    background: rgb(2, 0, 36);
    background: -moz-linear-gradient(90deg, rgba(2, 0, 36, 1) 0%, rgba(65, 65, 116, 1) 60%, rgba(0, 212, 255, 1) 100%);
    background: -webkit-linear-gradient(90deg, rgba(2, 0, 36, 1) 0%, rgba(65, 65, 116, 1) 60%, rgba(0, 212, 255, 1) 100%);
    background: linear-gradient(90deg, rgba(2, 0, 36, 1) 0%, rgba(65, 65, 116, 1) 60%, rgba(0, 212, 255, 1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#020024", endColorstr="#00d4ff", GradientType=1);
}

img {
    display: block;
    margin: auto;
}