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

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

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

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

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