.popCource{
    opacity: 0;
    transform: scale(0.1);
    transition: all 1s ease-in-out;
}

.popAbout{
    opacity: 0;
    transform: scale(0.1);
    transition: all 1s ease-in-out;
}

.popmoreCouse{
    opacity: 0;
    transform: scale(0.1);
    transition: all 1s ease-in-out;
}


.active{
    opacity: 1;
    transform: scale(1);
}