body {

    margin-left: 5%;
    background-color: #fff;
    align-items: center;
    align-content: center;
    margin: 0 auto;
    font-size: 14px;
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;

}

.catalog_img {
    margin: 5% 10% 5% 10%;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

img {
    margin: 2px 0 2px 0;
    border: 1px solid black;
    width: 100%;
    height: auto;
}