css3背景绘制

background:
radial-gradient(
circle at bottom left,
transparent 0,
transparent 2em,
beige 2em,
beige 4em,
transparent 4em,
transparent 6em,
khaki 6em,
khaki 8em,
transparent 8em,
transparent 10em
),
radial-gradient(
circle at top right,
transparent 0,
transparent 2em,
beige 2em,
beige 4em,
transparent 4em,
transparent 6em,
khaki 6em,
khaki 8em,
transparent 8em,
transparent 10em
),
radial-gradient(
circle at top left,
transparent 0,
transparent 2em,
navajowhite 2em,
navajowhite 4em,
transparent 4em,
transparent 6em,
peachpuff 6em,
peachpuff 8em,
transparent 8em,
transparent 10em
),
radial-gradient(
circle at bottom right,
transparent 0,
transparent 2em,
palegoldenrod 2em,
palegoldenrod 4em,
transparent 4em,
transparent 6em,
peachpuff 6em,
peachpuff 8em,
transparent 8em,
transparent 10em
), blanchedalmond;
background-blend-mode: multiply;
background-size: 10em 10em;
background-position: 0 0, 0 0, 5em 5em, 5em 5em;

管与css背景绘制