body {
    margin: 0;
    background-color: #ffffff; /* fallback */

    background-image:
            url("../images/mkparty_bg.png"),       /* fixed top strip */
            url("../images/mkparty_bg2.png");       /* repeating pattern */

    background-repeat:
            no-repeat,                   /* top strip should not repeat */
            repeat-y;                    /* vertical repeat */

    background-position:
            center 128px,                 /* fixed strip starts 73px from top */
            center 200px;                /* repeating pattern starts 157px from top */

    background-size:
            100% auto,                   /* stretch top strip to page width */
            100% auto;                   /* also stretch repeating pattern to width */
}