/* button-set
-------------------------------------*/
.rwmb-image-set {
    label {
        background-color: #fff;
        display: inline-block;
        padding: 1px;
        cursor: pointer;
        border: solid 3px #eee;
        margin-right: 5px;
        margin-bottom: 5px;
        max-width: 100%;
        &.selected {
            border-color: #4fb845;
            color: #fff;
            position: relative;
            &:before {
                content: "\f00c";
                display: block;
                width: 15px;
                height: 15px;
                position: absolute;
                background-color: #4fb845;
                top: -3px;
                right: -3px;
                font-size: 8px;
                font-family: FontAwesome;
                line-height: 15px;
                text-align: center;
                color: #fff;
            }
        }
        img {
            display: block;
            max-width: 100%;
        }
    }
}