body {
    box-sizing: border-box;
    margin: 0;
    background-color: beige;

    /* centralizando na tela */
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: center;

    /* 100% da largura da tela */
    width: 100vw;
    /* 100% da altura da tela */
    height: 100vh;
}

.inicio {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;

    padding: 50px;
    max-width: 300px;
    max-height: 300px;
    border: 2px solid rgb(189, 189, 153);
    border-radius: 50px;
    background: white;
    color: rgb(128, 128, 89);
}