body {
    background-color: black !important;
    grid-template-rows: 40px 1fr 20px;
}

header {
    position: fixed;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

header>a>button {
    margin-top: 10px;
    margin-left: 10px;
    border: solid 1px white;
    background-color: black;
    border-radius: 7px;
    color: white;
    font-weight: bold;
}


#texto {

    color: white;
    padding: 0.7rem;
    text-align: justify;

}

.sub-titulo {
    font-weight: bold;
}