html,body{
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

div{
    display: flex;
    justify-content: center;
    height: 100vh;
    align-items: center;
    padding-bottom: 20vh;
    box-sizing: border-box;
}

img{
    width: 200px;
}