*{
    margin: 0;
    padding: 0;
}
body{
    width: 100%;
    height: 100vh;
    background-color: #f5f2eb;
}
.page {
    width: 750px;
    margin: 0 auto;
    /* background-color: #e5e5e5; */
}
@media (max-width: 750px) {
    .page {
        width: 100%;
    }
}
.img-box {
    width: 100%;
    height: auto;
    margin: 0px;
}
.img-box>img {
    width: 100%;
    display: block;
}