.uk-checkbox:checked, .uk-checkbox:indeterminate, .uk-radio:checked {
    background-color: #8799a3;
}

.uk-checkbox:checked:focus,.uk-checkbox:indeterminate:focus,.uk-radio:checked:focus {
    background-color: #8799a3;
}

.uk-checkbox:focus,.uk-radio:focus {
    border-color: #8799a3;
}

em {
    color: inherit;
}