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

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

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

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

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