body {
    background-color: #f4f9e8;
    font-family: 'Verdana', sans-serif;
    color: #2c3e50;
}

h1, h2, h3 {
    color: #16a085;
    text-align: center;
}

a {
    color: #2980b9;
    text-decoration: none;
}

a:hover {
    color: #e74c3c;
}

chess-board {
    display: grid;
    grid-template-columns: repeat(8, 50px);
    grid-template-rows: repeat(8, 50px);
    gap: 2px;
}

chess-board .square {
    width: 50px;
    height: 50px;
}

chess-board .square:nth-child(odd) {
    background-color: #8e44ad;
}

chess-board .square:nth-child(even) {
    background-color: #ecf0f1;
}

.froge-piece {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;
    cursor: pointer;
}

.froge-piece:hover {
    transform: scale(1.1);
}

footer {
    text-align: center;
    font-size: 0.8em;
    padding-top: 20px;
    color: #95a5a6;
}