/*：这只是演示代码。源码下载链接: http://www.bootstrapmb.com/item/2125(这个说明仅在演示里会看到,下载的源码里没有)*//* iCheck plugin Square skin, grey----------------------------------- */.icheckbox_square-grey,.iradio_square-grey {    display: inline-block;    *display: inline;    vertical-align: middle;    margin: 0 10px 0 0;    padding: 0;    width: 22px;    height: 22px;    background: url(grey.png) no-repeat;    border: none;    cursor: pointer;}.icheckbox_square-grey {    background-position: 0 0;}    .icheckbox_square-grey.hover {        background-position: -24px 0;    }    .icheckbox_square-grey.checked {        background-position: -48px 0;    }    .icheckbox_square-grey.disabled {        background-position: -72px 0;        cursor: default;    }    .icheckbox_square-grey.checked.disabled {        background-position: -96px 0;    }.iradio_square-grey {    background-position: -120px 0;}    .iradio_square-grey.hover {        background-position: -144px 0;    }    .iradio_square-grey.checked {        background-position: -168px 0;    }    .iradio_square-grey.disabled {        background-position: -192px 0;        cursor: default;    }    .iradio_square-grey.checked.disabled {        background-position: -216px 0;    }/* HiDPI support */@media (-o-min-device-pixel-ratio: 5/4), (-webkit-min-device-pixel-ratio: 1.25), (min-resolution: 120dpi), (min-resolution: 1.25dppx) {    .icheckbox_square-grey,    .iradio_square-grey {        background-image: url(grey@2x.png);        -webkit-background-size: 240px 24px;        background-size: 240px 24px;    }}/*：这只是演示代码。源码下载链接: http://www.bootstrapmb.com/item/2125(这个说明仅在演示里会看到,下载的源码里没有)*/