* {
    margin: 0;
    padding: 0;
}

#olas {
    width: 100%;
    display: block;

}

#biografias {
    padding-left: 5%;
    padding-right: 10%;
    line-height: 200%;
}

main {
    border-bottom: 10px solid black;
}

h2 {
    font-weight: 600;
    font-size: 200%;
    margin-bottom: 5%;
}

.margin {
    margin-top: 5%;
}

main div p {
    font-family: sans-serif;
    font-size: 110%;
    border-left: 3px solid black;
    border-radius: 10px;
    padding-left: 3%;

}

#biografias {
    background-color: #43d4ff;
}

header {
    margin-bottom: 5%;
}

@media screen and (min-width: 768px) {
    main div p {
        font-size: 200%;
        line-height: 150%;
    }

    h2 {
        font-size: 300%;
    }
}