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

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

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

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

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