*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    height: 100vh;
    background-color: gainsboro;
}

img{
    width: 50%;
    user-select: none;
    position:absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    pointer-events: none;
}