CheckBox样式修改

input[type="checkbox"] {
            outline: none;
            width: 20px;
            height: 20px;
            -webkit-appearance: none;  /*清除复选框默认样式*/
            background:  url(../../static/images/check.png);   /*复选框的背景图，就是上图*/
            vertical-align: middle;
            border: none;
            border-radius: 3px;
        }
        input[type="checkbox"]:checked {
            outline: none;
            background:  url(../../static/images/checked.png);

        }