:root {
    --bg-image: url('https://www.unitedpets.net/img/bg_uploads/2014_02_08_10_07_34 1.gif');
}

/* CUSTOM TILED BG */
body {
    background-color: #DDEEE6;
    background-image: var(--bg-image);
    background-repeat: repeat;
    background-size: auto;
}