/*** for PC Browser ***/
@media (min-width:401px)
{
.2cal_box
{
    width: 100%;
    margin: 0px 0px 10px;
    padding: 0px;
    display: flex;
    text-align: center;
}

.2cal_box > div
{
    text-align: center;
    vertical-align: top;
    width: 50%;
    margin: 0;
    padding: 0;
}
}


/*** for Smart Phone ***/
@media (max-width:400px)
{
.2cal_box
{
    width: 100%;
    margin: 0px 0px 10px;
    padding: 0px;
    display: flex;
    flex-wrap: wrap;
    text-align: center;
}

.2cal_box > div
{
    text-align: center;
    vertical-align: top;
    width: 100%;
    margin: 0;
    padding: 0;
}
}