.hidden-div {
    display: none;
}

#country-selection-main:has(option[value="eu-country"]:checked) > #eu-country {
    display: block;
}

#country-selection-main:has(option[value="eu-equivalent"]:checked) > #eu-equivalent {
    display: block;
}

#country-selection-main:has(option[value="listed-country"]:checked) > #listed-country {
    display: block;
}

#country-selection-main:has(option[value="unlisted-country"]:checked) > #unlisted-country {
    display: block;
}