body {
    height: 100vh;
    margin: 0;
}

nav {
    align-items: center;
    background-color: rgb(128, 128, 128);
    display: flex;
    justify-content: space-evenly;
}

nav ul {
    display: flex;
    height: 40px;
    list-style: none;
    margin: 0;
}

.nav-button {
    color: rgb(245, 245, 245);
    display: block;
    font-family: serif, 'Times New Roman', Times;
    font-size: 16px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    text-decoration: none;
    width: 88.2167px;
}

.nav-button:hover {
    background-color: rgb(169, 169, 169);
    color: rgb(0, 0, 0);
}