body{/*ソファー柄の背景(アイボリー)*/
background-size:100px 100px;
background-position:50px 50px,0 0,0 0,0 0;
background-color:#ffd;
background-image:
radial-gradient(#fff 3px,#ffd 5px,#dda 8px,#eeb 8px,rgba(255,255,221,0) 13px),
radial-gradient(#fff 3px,#ffd 5px,#dda 8px,#eeb 8px,rgba(255,255,221,0) 13px),
linear-gradient(45deg,rgba(200,200,0,0.1),rgba(255,255,221,0) 10%,rgba(255,255,221,0) 40%,rgba(255,255,255,0.7) 50%,rgba(200,200,0,0.1) 50%,rgba(255,255,221,0) 60%,rgba(255,255,221,0) 90%,rgba(255,255,255,0.7)),
linear-gradient(-45deg,rgba(200,200,0,0.1),rgba(255,255,221,0) 10%,rgba(255,255,221,0) 40%,rgba(255,255,255,0.7) 50%,rgba(200,200,0,0.1) 50%,rgba(255,255,221,0) 60%,rgba(255,255,221,0) 90%,rgba(255,255,255,0.7));
}