/**
 * Remove default margin.
 */

body {
  margin: 0;
}

#underconstruction {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                left: 0;
                width: 100%;
                height: 100%;
                background-image: url(image.jpg);
                background-size: contain;
                background-position: center bottom;
                background-repeat: no-repeat;
            }