.split_box_left_worksheet {
    left: -35px;
    top: 10px;
    width: 60px;
    height: 50px;
    border: 1px solid rgba(0,0,0,0.3);
    border-radius: 5px;
    margin-right: .5rem;
    margin-left: .5rem;
    font-size: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
}

.split_box_right_worksheet {
    left: -35px;
    top: 10px;
    margin-right: .5rem;
    margin-left: .5rem;
    font-size: 1.5rem;
    font-weight: 500;
    width: 60px;
    height: 50px;
    border: 1px solid rgba(0, 0, 0, 0.3);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center
}

.split_box_big_numbers_level {
    font-size: 1.1rem;
}

.exercises-table-4-blocks {
    margin-bottom: 5px;
}