:root {
  --main-bg-color: #143806; /* Should be a deep sage green. */
}

body {
    background-image: url("../images/bkg_image.png");
}

img.link {
    border:0; /* added to prevent IE9 (and earlier) from displaying a border around the image when the image is a link. */
}

footer {
    padding-top: 4px;
    border-top: solid 4px var(--main-bg-color);
}