body {
    height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background-color: #1f2933;;
    font-family: Montserrat, bold;
    color: white;
}

.jogo {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
}

.velha {
    width: 100px;
    height: 100px;
    background-color: #3b4a5a;;
    border: solid;
    border-color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 100px;
    cursor: pointer;
    transition: 0.1s;
}

.velha:hover {
    background-color: #6b7c8f;
    transition: 0.1s;
}

.jdv {
    height: 350px;
}

button {
    height: 70px;
    width: 140px;
    font-size: large;
    background-color: #1f2933;;
    border: solid;
    border-color: #6b7c8f;
    border-radius: 15px;
    transition: 0.2s;
    color: white;
    cursor: pointer;
}

button:hover {
    background-color: #6b7c8f;
    transition: 0.2s;
}

.b{
    opacity: 30%;
}

footer{
        position: absolute;
        height: 40px;
        width: 100vw;
        display:flex;
        align-items: center;
        justify-content: center;
        background-color: #141c24;
        bottom: 0px;
    }