.number-box, .increase, .decrease {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;    
}
#num{
    border: 2px solid black;
    padding: 20px 40px 20px 40px;
    font-size: 32px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    user-select: none;
}

.increase, .decrease{
    width: 10%;
    margin-top: 20px;
    margin-right: 10px;
    border: 2px solid black;
    padding: 20px 40px 20px 40px;
    font-size: 32px;
    font-family: 'Franklin Gothic Medium', 'Arial Narrow', Arial, sans-serif;
    user-select: none;
}

.increase:hover, .decrease:hover{
    background-color: gray;
    cursor: pointer;
    user-select: none;
}


.button-container{
    display: flex;
    width: 100%;
    justify-content: center;    
}