.doc-att-popup-box .popup-box .content {
    width: 100%;
    float: left;
    overflow-y: auto;
}

.doc-att-popup-box .popup-box .content .btn-level {
    border: 1px #000 solid;
    margin-right: 15px;
    box-shadow: 0px 0px 2px 2px rgba(150,150,150,0.5);
}

.doc-att-popup-box .popup-box .content .btn-level:hover {
    border: 1px #00BEFF solid;
    box-shadow: 0px 0px 14px rgba(0, 255, 178, 1);
}

.doc-att-popup-box .popup-box .content .btn-level[selected] {
    background-color: #007BFF;
    color: #fff;
    border: 1px #0000FF solid;
    box-shadow: 0px 0px 14px rgba(0, 255, 178, 1);
}