background-image:
radial-gradient(#fff 30%,transparent 0),
radial-gradient(#f7b 30%,#fbd 0);
background-position:0 0,8px 8px;
background-size:16px 16px;

background-image:
radial-gradient(#fff 30%,transparent 0),
radial-gradient(#fa0 30%,#fd6 0);
background-position:0 0,8px 8px;
background-size:16px 16px;

background-image:
radial-gradient(#fff 30%,transparent 0),
radial-gradient(#8c0 30%,#ce7 0);
background-position:0 0,8px 8px;
background-size:16px 16px;

background-image:
radial-gradient(#fff 30%,transparent 0),
radial-gradient(#7bf 30%,#bdf 0);
background-position:0 0,8px 8px;
background-size:16px 16px;

background-image:
radial-gradient(#fff 30%,transparent 0),
radial-gradient(#97e 30%,#cbf 0);
background-position:0 0,8px 8px;
background-size:16px 16px;