a {
    color: #444 !important;
    background-color: yellow !important;
}
button {
    color: #444 !important;
    background-color: yellow !important;
}
a:hover,
a: active,
button:hover,
button:active,
button:focus,
a:focus {
    color: yellow !important;
    background-color: #444 !important;
    border: 1px solid yellow !important;
}
