.conteiner {
    text-align: center;
    font-size: 20px;
}

.tabuleiro {
    display: grid;
    grid-template-columns: repeat(3, 120px);
    grid-gap: 5px;
    margin: 50px auto;
    justify-content: center;
}

.celula {
    width: 120px;
    height: 120px;
    background-color: rgb(29, 6, 236);
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
}

body {
    font-family: Arial, sans-serif;
}

header {
    background-color:rgb(29, 6, 236);
    color: #FFF;
    padding: 20px;
}

footer {
    background-color: rgb(29, 6, 236);
    color: #FFF;
    padding: 26px;
    text-align: justify;
    clear: both; 
}

button {
    background-color: rgb(29, 6, 236);
    color: white;
    cursor: pointer;
    font-size: 18px;
    border: none;
    border-radius: 12px;
    padding: 10px 20px;
    margin-top: 5px;
}

button:hover {
    background-color: rgb(29, 6, 236);
}

.conteiner_jogo {
    width: 33%;
    float: left;
}

footer p {
    max-width: 400px;
    margin: 5px auto;
    text-align: justify;
    font-size: 12px;
    clear: both;
}