body {
    display: grid;
    grid-template-areas:
        "header header header"
        "nav article article"
        "footer footer footer";
    grid-template-rows: 80px 1fr 70px;
    grid-template-columns: 20% 1fr 15%;
    row-gap: 10px;
    column-gap: 10px;
    height: 100vh;
    background-color: #75706f;
    color: #121212;
    font-size: 22px;
    font-weight: bold;
    font-family: 'Times New Roman', Times, serif;
    margin: 0;
}

span{
    
}

header,
footer,
article,
nav {
    padding: 1, 2em;
}

.pageHeader {
    grid-area: header;
    background-color: #2c2c2c;
    color: #eaeaea;
}

.pageHeader h1 {
    position: relative;
    top: 10px;
    font-size: 38px;
    text-align: center;
    margin: 0;
}

.pageHeader img {
    position: relative;
    top: -40px;
    left: 45px;
}

.pageFooter {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: #333;
    color: #fff;
    text-align: center;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 97.9%;
}

.redes-section {
    display: flex;
    gap: 15px;
    margin-top: 10px;
    justify-content: center;
    align-items: center;
}

.redes-section a img {
    width: 35px;
    height: 35px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.redes-section a:hover img {
    transform: scale(1.1);
}

.pageFooter h3 {
    text-align: center;
    margin: 0;
    color: #eaeaea;
}

.mainArticle {
    grid-area: article;
}

.mainArticle iframe {
    width: 99%;
    height: 74vh;
    border: none;
}

.mainNav {
    grid-area: nav;
    margin: 0px 0px 0px 10px;
    background-color: #75706f;
    height: 24vh;
}

.mainNav a {
    display: block;
    margin: 5px;
    padding: 5px;
    text-decoration: none;
    border-radius: 20px 20px;
    color: #121212;
    background-color: #eaeaea;
    text-align: center;
    transition: 0.3s ease;
}

.mainNav a:hover {
    background-color: #2c2c2c;
    color: #eaeaea;
    transform: scale(1.05);
}

.mainNav .inferior{
    display: inline;
 }

.mainSection {
    float: left;
    position: relative;
    bottom: 520px;
    /*border: 1px solid black;*/
    height: 500px;
}

.mainSection img {
    position: relative;
    left: 30px;
}

.mainSection p {
    text-align: center;
    font-size: 20px;
}

@media (max-width: 992px) {
    body {
        grid-template-areas:
            "header header header"
            "nav article article"
            "footer footer footer";
        grid-template-columns: 1fr 1fr 1fr;
        grid-template-rows: 80px 1fr auto 70px;
    }
}

@media (max-width: 768px) {
    body {
        grid-template-areas:
            "header header header"
            "nav nav nav"
            "article article article"
            "footer footer footer";
        font-size: 18px;
    }

    header,
    footer,
    article,
    nav {
        padding: 1, 1em;
    }

    .mainNav a {
        display: inline;
        margin: 5px 2px;
        padding: 2px;
        text-decoration: none;
        border-radius: 8px 8px 8px 8px;
        border: 2px solid black;
        color: #2c2c2c;
        background-color: #eaeaea;
        text-align: center;
    }

    .mainNav {
        text-align: center;
        border: none;
        height: 2vh;
        background-color: #75706f;
    }

    .mainSection {
        display: none;
    }

}

@media (max-width: 575px) {
    body {
        grid-template-areas:
            "header header header"
            "nav nav nav"
            "article article article"
            "footer footer footer";
        font-size: 18px;
    }

    header,
    footer,
    article,
    nav {
        padding: 1, 1em;
    }

    .mainNav a {
        display: inline;
        margin: 5px 2px;
        padding: 2px;
        text-decoration: none;
        border-radius: 8px 8px 8px 8px;
        border: 2px solid black;
        color: #2c2c2c;
        background-color: #eaeaea;
        text-align: center;
    }

    .mainNav {
        text-align: center;
        border: none;
        height: 2vh;
        background-color: #75706f;
    }

    .mainSection {
        display: none;
    }
}

@media (max-width: 448px) {
    body {
        grid-template-areas:
            "header header header"
            "nav nav nav"
            "article article article"
            "footer footer footer";
        font-size: 18px;
    }

    .mainArticle iframe {
        position: relative;
        top: -28px;
        height: 70vh;
    }

    .mainNav a {
        display: inline;
        margin: 5px 2px;
        padding: 2px;
        text-decoration: none;
        border-radius: 8px 8px 8px 8px;
        border: 2px solid black;
        color: #2c2c2c;
        background-color: #eaeaea;
        text-align: center;
    }

    .mainNav {
        height: 78px;
    }
    .mainNav .e-inicio{
        margin: 0px 0px 0px 35px;
    }

    .mainNav .inferior{
        display: block;
        position: relative;
        top: 10px;
    }

    .mainSection {
        display: none;
    }

    .pageHeader img {
        display: none;
    }
}

@media (max-width:390px) {
    .mainNav .e-equipo {
        margin: 0;
    }
    .mainNav .e-acerca_de{
        margin: 0px 5px 0px 0px;
    }
    .mainNav a {
        margin: 5px 0px;
        font-size: 17.6px;
    }

    .mainNav .inferior{
        margin: 0;
    }

    .mainNav{
        height: 78px;
    }

    .mainNav .inferior{
        display: block;
    }
}
@media (max-width:320px) {
    .mainNav {
        position: relative;
        top: -7px;
        margin: 5px 0px;
        height: 63px;
    }
    .mainNav .e-equipo {
        margin: 0;
    }

    .mainNav a {
        display: inline;
        margin: 5px 2px;
        padding: 2px;
        text-decoration: none;
        border-radius: 8px 8px 8px 8px;
        border: 2px solid black;
        color: #2c2c2c;
        background-color: #eaeaea;
        text-align: center;
    }
}