.button,
.offices > a {
    display: inline-block;
    color: #fff;
    background-color: #4d4d4d;
    border-radius: 4px;
    padding: 10px 23px;
    transition: background-color 300ms ease;
}

.button:hover,
.offices > .selected {
    background-color: #de7863;
}

header a,
footer a {
    text-transform: uppercase;
}

header ul,
footer ul {
    list-style-type: none;
}