COPIAR Y PEGAR ENCIMA DE: ]]></b:skin>
CSS 
/* Material Color Box */
.colorbox{overflow:hidden;position:relative;margin:.5rem 0 1rem;transition:box-shadow .25s;border-radius:2px;color:#fff;box-shadow:0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12);padding:15px;font-size:14px}
.colorbox.celeste{background:#03a9f4}
.colorbox.verde{background:#20B2AA}
.colorbox.rojo{background:#FF0000}
.colorbox.naranja{background:#FFA500}
.colorbox.purple{background:#673ab7}
.colorbox.negro{background:#000000}
.colorbox.azul{background:#0d55be}
.colorbox.verde{background:#008080}