.pcb-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(0,0,0,0.4);
}
.pcb-modal-content {
    background: #fff;
    margin: 10vh auto;
    padding: 20px;
    border: 1px solid #888;
    width: 90%;
    max-width: 700px;
    position: relative;
}
.pcb-modal-close {
    position: absolute;
    right: 15px;
    top: 10px;
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
}
.pcb-attr-block {
    margin-top: 10px;
}
.pcb-attr-title {
    font-weight: 700;
    margin-bottom: 6px;
}