ul.m-radio-group--segmented.m-radio-group.js-radio-checked .m-radio-group__item .a-radio {
    background: #e8edf8;
}

ul.m-radio-group--segmented.m-radio-group.js-radio-checked .m-radio-group__item.is-checked .a-radio {
    background: #2f46b2;
}