[type=radio]:checked+span:after,
[type=radio].with-gap:checked+span:before,
[type=radio].with-gap:checked+span:after {
    border: 1px solid #26a69a;
    background-color: #26a69a;
}

[type=radio]:checked+span:after,
[type=radio].with-gap:checked+span:after {
    background-color: white;
}

[type=radio]:not(:checked)+span:before,
[type=radio]:not(:checked)+span:after {
    background-color: #9dbeae;
    border: none;
}