body{/*星柄の背景*/
background-size: 100px 100px;
background-color:#fff;
background-image:
linear-gradient(36deg, #fff 7px, transparent 0),
linear-gradient(-36deg, #fff 7px, transparent 0),
linear-gradient(72deg, #ff0 10px, transparent 0),
linear-gradient(-72deg, #ff0 10px, transparent 0),
linear-gradient(144deg, #ff0 10px, transparent 0),
linear-gradient(-144deg, #ff0 10px, transparent 0),
/*ここまで山吹色(#fc0)の星↑↓ここからレモンイエロー(#ff0)の星*/
linear-gradient(36deg, #fff 7px, transparent 0),
linear-gradient(-36deg, #fff 7px, transparent 0),
linear-gradient(72deg, #fc0 10px, transparent 0),
linear-gradient(-72deg, #fc0 10px, transparent 0),
linear-gradient(144deg, #fc0 10px, transparent 0),
linear-gradient(-144deg, #fc0 10px, transparent 0);
background-position:
0 -10px,0 -10px,0 -10px,0 -10px,0 -30px,0 -30px,
/*ここまで山吹色(#fc0)の星↑↓ここからレモンイエロー(#ff0)の星*/
50px 40px,50px 40px,50px 40px,50px 40px,50px 20px,50px 20px;}