html, body{
    width: 100%;
    height: 100%;
}
.minha_apresentacao {
    width: 100%;
    height: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
    color: black; 
    background-color: whitesmoke;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    font-size: 55px;
}
#nome {
    border-radius: 10px;
    background-color: #72b3c1;
}
.topico{
    width: 100%;
    height: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-content: center;
    justify-content: center;
    color: black;
}

#topico_introdutorio {
    color: blue;
}