planet-wars/backend/static/style/base.css

.nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: #333;
}

.nav li {
    float: left;
    border-right: 1px solid #bbb;
}

.nav li:last-child {
    border-right: none;
}

.nav li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.nav .active {
    color: #ff7f00;
}


/* Change the link color to #111 (black) on hover */

.nav li a:hover {
    filter: brightness(80%);
}

.content {
    height: 100%;
}

body {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.content {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    background: black;
    color: #ff7f00;
    line-height: 1.5rem;
    overflow: hidden;
    align-items: center;
}