#actionPopup {
    position: absolute;
    z-index: 500;
    top: -100%;
    left: -100%;
}
#actionPopup div:nth-child(2) {
    width: 250px;
    box-shadow: 0px 0px 5px 0px #333333;
    background-color: #ffffff;
    padding: 15px;
}
#actionPopup #addLesson {
    margin-top: 25px;
}
#actionPopup div:first-child {
    width: 12px;
    height: 12px;
    border: 6px solid transparent;
    border-right: 6px #ffffff solid;
    position: absolute;
    margin-left: -12px;
    top: 50%;
}
#actionPopup div:last-child {
    width: 12px;
    height: 12px;
    border: 6px solid transparent;
    border-left: 6px #ffffff solid;
    position: absolute;
    margin-right: -12px;
    top: 50%;
    right: 0;
}
#dataTable .active-td {
    cursor: pointer;
    background-color: #cfe7f3;
}