.main_logo_size {
    height: 80px;
    width: 243px;
}

.nav_logo_size {
    height: 45px;
    width: 137px;
}

.blank_sp_100
{
    height: 100px !important; /* overwrites any other rules */
}

.blank_sp_50
{
    height: 50px !important; /* overwrites any other rules */
}

select optgroup {
    color: lightgray;
}
select option {
    color: black;
}

.d-none {
    display: none !important;
}