* {
    margin: 0 0;
    padding: 0 0;
    box-sizing: border-box;
}
body { 
    font-family: sans-serif; 
    background: #fefefe; 
    color: #333;     
}
div {    
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    height: 100vh;
    height: 100dvh;
    justify-content: center;
    align-content: center;
    align-items: center;
    text-align: center;
    /* padding-top: 5em; */
    /* display: none; */
}

img {
    width: 300px;
    height: auto;
}

@media (min-width: 468px) {
    img {
        width: 400px;
    }
}