.post-category-feature {
    background: #E54028;
}

.post-category-series {
    background: #E5E600;
    color: #000;
}

.post-category-resource {
    background: #191970;
}

.post-category-timothy-class {
    background: #32CD32;
}

.post-category-technology {
    background: #FF8C00;
    color: #000;
}