.text-center{

    text-align:center;

}

.grid{

    display:grid;

}

.flex{

    display:flex;

}

.flex-between{

    display:flex;

    justify-content:space-between;

    align-items:center;

}

.flex-center{

    display:flex;

    justify-content:center;

    align-items:center;

}

.hidden{

    display:none;

}