.icheckbox_minimal-grey,
.iradio_minimal-grey {
  display: inline-block;
  vertical-align: middle;
  margin: 0;
  padding: 0;
  width: 18px;
  height: 18px;
  background: url(grey.png) no-repeat;
  border: 0;
  cursor: pointer;
}

.icheckbox_minimal-grey { background-position: 0 0; }
.icheckbox_minimal-grey.hover { background-position: -20px 0; }
.icheckbox_minimal-grey.checked { background-position: -40px 0; }
.icheckbox_minimal-grey.disabled { background-position: -60px 0; cursor: default; }
.icheckbox_minimal-grey.checked.disabled { background-position: -80px 0; }

.iradio_minimal-grey { background-position: -100px 0; }
.iradio_minimal-grey.hover { background-position: -120px 0; }
.iradio_minimal-grey.checked { background-position: -140px 0; }
.iradio_minimal-grey.disabled { background-position: -160px 0; cursor: default; }
.iradio_minimal-grey.checked.disabled { background-position: -180px 0; }

@media (-o-min-device-pixel-ratio:5/4),
       (-webkit-min-device-pixel-ratio:1.25),
       (min-resolution:120dpi),
       (min-resolution:1.25dppx) {
  .icheckbox_minimal-grey,
  .iradio_minimal-grey {
    background-image: url(grey@2x.png);
    -webkit-background-size: 200px 20px;
    background-size: 200px 20px;
  }
}