html,body{
    margin:0;
    padding:0;
    background:#eef3ff;
}
.wrap{
    display:flex;
    align-items:center;
    justify-content:center;
}
img{
    display:block;
    max-width:100%;
    height:auto;
}
@media screen and (min-width: 481px) {
    img{
        max-width: 595px;
    }
}