web-apps/apps/common/main/resources/less/combo-border-size.less

.combo-border-size {
    .form-control:not(input) {
        cursor: pointer;
    }

    li {
        a {
            white-space: normal;
        }

        span {
            display: inline-block;
            margin-top: 3px;
            font-size: 11px;
            height: 17px;
        }

        img {
            width:60px;
            height:20px;
            background-color: transparent;
        }
    }

    img, .image {
        background: ~"url(@{common-image-const-path}/combo-border-size/BorderSize.png) no-repeat 0 0 #fff";

        @media only screen {
            //@media (-webkit-min-device-pixel-ratio: 1.5) and (-webkit-max-device-pixel-ratio: 1.9),
            //        (min-resolution: 1.5dppx) and (max-resolution: 1.9dppx),
            //        (min-resolution: 144dpi) and (max-resolution: 191dpi)
            //{
            //    background-image: ~"url(@{common-image-const-path}/combo-border-size/BorderSize@1.5x.png)";
            //    background-size: 60px auto;
            //}

            @media (-webkit-min-device-pixel-ratio: 2),
            (min-resolution: 2dppx),
            (min-resolution: 192dpi)
            {
                background-image: ~"url(@{common-image-const-path}/combo-border-size/BorderSize@2x.png)";
                background-size: 60px auto;
            }
        }
    }
}