body {
    margin: 0px;
    background-color: rgb(74, 74, 74);
}

.pagegroup {
    margin-left: auto;
    margin-right: auto;
    display: block;
    width: 64em;
}

.page {
    float: left;
    display: block;
    background-color: antiquewhite;
    box-sizing: border-box;
    padding: 2em;
    margin: 1em;
    aspect-ratio: 0.707;
    width: 30em;
    height: auto;
}