배경색과 배경 이미지

body {

background-color:#ff0000;                         /* #ff0000, rgb(255, 0, 0), red */

background-image:url(background.jpg);

background-repeat:repeat;                          /* repeat, repeat-x, repeat-y, no-repeat */

background-position:50% 50%;                 /* 50px 50px, left top, right bottom */

background-attachment: fixed;                 /* scroll */

background-size: auto;                               /* auto, contain, cover, 크기값, 백분율 */

background-clip:border-box;                    /* padding-box, content-box */

background-origin:border-box;                /* padding-box, content-box */

}

또는

body{

background: url(background.jpg) repeat 50% 50% fixed;

}