html, body {
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-family: "Helvetica", "Arial", sans-serif;
    line-height: 1.3em;

    display: flex;
    flex-direction: column;
    justify-content: space-around;
}

.book_display_box_box{
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.book_display_box {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
}

.book_display {
    width: 25%;
    max-width: 500px;
    min-width: 250px;
    margin: 1rem;
}

.info_box {
    width: 100%;
    display: flex;
    justify-content: center;
}

.info_box p {
    width: 75%;
    max-width: 1500px;
}

@media screen and (max-width: 600px),
screen and (-webkit-min-device-pixel-ratio: 2)      and (min-width: 600px),
screen and (   min--moz-device-pixel-ratio: 2)      and (min-width: 600px),
screen and (     -o-min-device-pixel-ratio: 2/1)    and (min-width: 600px),
screen and (        min-device-pixel-ratio: 2)      and (min-width: 600px),
screen and (                min-resolution: 192dpi) and (min-width: 600px),
screen and (                min-resolution: 2dppx)  and (min-width: 600px),
screen and (-webkit-min-device-pixel-ratio: 3)      and (min-width: 600px),
screen and (   min--moz-device-pixel-ratio: 3)      and (min-width: 600px),
screen and (     -o-min-device-pixel-ratio: 3/1)    and (min-width: 600px),
screen and (        min-device-pixel-ratio: 3)      and (min-width: 600px),
screen and (                min-resolution: 326dpi) and (min-width: 600px),
screen and (                min-resolution: 3dppx)  and (min-width: 600px)
 {
    .book_display_box_box{
        overflow-y: scroll;
    }

    .book_display_box {
        overflow-y: scroll;
    }

    .book_display {
      width: 95%;
      margin: 1rem;
    }
}