body {
    background-color: #556b2f;
    color: white;
    font-family: "Times New Roman", Times, serif;
    margin: 0;
}

.navbar .nav-link {
    color: white;
}

.navbar .nav-link:hover {
    color: #ddd;
}

.navbar .nav-link.active {
    color: white;
}

body > div {
    padding: 80px 70px;
}

body > div h1 {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 24px;
}

body > div p {
    font-size: 20px;
}

.email {
    color: yellow;
    text-decoration: underline;
}

table {
    width: 100%;
    border-collapse: collapse;
}
th {
    border-collapse: collapse;
    border: none;
    
}
td {
    border: 1px solid white;
    padding: 8px;
    color: white;
}

th h2 {
    font-size: 16px;
    font-weight: normal;
    margin: 0;
}

.navbar .navbar-collapse {
    justify-content: center;
}
td > h3, .table {
    font-size: 16px;
    margin: 0;  
}
table.chess-board {
    width: auto;
    table-layout: fixed;
}
.black-square {
    background-color: black;
    width: 50px;
    height: 50px;
}
.white-square {
    background-color: white;
    width: 50px;
    height: 50px;
}
.red-square {
    background-color: red;
    width: 50px;
    height: 50px;
}
.white-text {
    color: white;
    text-align: center;
    line-height: 50px;
}
.black-text {
    color: black;
    text-align: center;
    line-height: 50px;
}
.chess-board td{
    border-top: 3px solid black;
    border-bottom: 3px solid black;
    width: 50px;
    height: 50px;
    padding: 0;
    text-align: center;
}
.left {
    border-left: 3px solid red;
}
.right {
    border-right: 3px solid blue;
}