web/web_color/static/lib/really-simple-color-picker/colorPicker.css

div.colorPicker-picker {
  height: 16px;
  width: 16px;
  padding: 0 !important;
  border: 1px solid #ccc;
  background: url(arrow.gif) no-repeat top right;
  cursor: pointer;
  line-height: 16px;
}

div.colorPicker-palette {
  width: 110px;
  position: absolute;
  border: 1px solid #ccc;
  background-color: #FFFFFF;
  padding: 5px;
  z-index: 9999;
  -moz-border-radius: 3px;
  -webkit-border-radius: 3px;
  border-radius: 3px;
}
  div.colorPicker_hexWrap {width: 100%; float:left }
  div.colorPicker_hexWrap label {font-size: 95%; color: #2F2F2F; margin: 5px 2px; width: 25%}
  div.colorPicker_hexWrap input {margin: 5px 2px; padding: 0; font-size: 95%; border: 1px solid #000; width: 65%; }

div.colorPicker-swatch {
  height: 12px;
  width: 12px;
  border: 1px solid #000;
  margin: 2px;
  float: left;
  cursor: pointer;
  line-height: 12px;
}