*{
    margin: 0;
    padding: 0;
}
header{
    width: 100%;
    min-height: 100vh;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -o-flex-wrap: wrap;
    flex-wrap: wrap;
    background-image: url("https://www.xn--victorhugonuez-1nb.com/imagenes/encuentrosEnSilencio/extraExtragrande/Vi%CC%81ctor%20Hugo%20Nu%CC%81n%CC%83ez%20Escultor%203.jpg");
    background-position:right bottom;
    -webkit-background-size: cover;
    background-attachment: fixed;
    background-size: cover;
    padding: 20px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    justify-content: center;
    -ms-align-items: center;
    align-items: center;
    align-content: center;
    animation: portada 25s both ease-out;
    animation-delay: 1s;
}
header h3{
    padding: 1px 0px 10px 0px;
}
header h4{
    
}
@keyframes portada {
    0%{
        opacity: 0;
    }
    2%{
        opacity: 1;
    }
    80%{
        opacity: 1;
    }
    100%{
        opacity: 1;
        background-position: left bottom;
    }
}
header nav{
    height: 50px;
    width: 100%;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    justify-content:space-around;
    -ms-align-items: center;
    align-items: center;
    align-content: center;
    background-color: rgba(1,1,1,.8);
    position: fixed;
    top: 0;
    left: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
header a{
    text-decoration: none;
    color: white;
    font-size: 20px;
}
    
.articuloIzq{
    width: 100%;
    min-height: 100vh;
    margin-top: 40px    ;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
    justify-content: center;
    -ms-align-items: center;
    align-items: center;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    justify-content: center;
    -ms-align-items: center;
    align-items: center;
    align-content: center;

}

.articuloDer{
    width: 40%;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.articuloIzq h1{
    color: rgba(250,250,250,.5);
    padding-top: 0px;
    font-size: 90px;

}
.articuloIzq h2{
    font-size: 30px;
}
.articuloIzq h3{
    font-size: 70px;
    color: rgba(250,250,250,.7);
}
.articuloIzq h4{
    font-size: 20px;
}
.articuloIzq p{
    padding: 60px;
    font-size: 25px;
    padding-bottom: 50px;
}
.galeria{
    width: 100%;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    justify-content: center;
    -ms-align-items: center;
    align-items: center;
    align-content: center;
    background-color: rgba(0,0,0,.93);
}
.galeriaContenedor{

    width: 90%;
    max-width: 1300px;
    margin-top: 100px;
    margin-bottom: 100px;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    -webkit-flex-direction: column;
    -moz-flex-direction: column;
    -ms-flex-direction: column;
    -o-flex-direction: column;
    flex-direction: column;
    justify-content: center;
    -ms-align-items: center;
    align-items: center;
    align-content: center;
    
}
.galeria h3{
    padding: 10px;
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    justify-content: center;
    -ms-align-items: center;
    align-items: center;
    text-align: center;
    color: #fff;
}
iframe{
    padding-bottom: 5vh;
    width: 60%;
    height: 300px;
}
@media (max-width: 1300px){
    .articuloIzq{
        width: 100%;
        margin-top: 0;
        text-align: center;
        
    }
    .articuloDer{
        width: 0%;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
    }
    header{
        background-position: center center;
        padding: 0px;
    }

}

@media(max-width: 400px){
    .galeriaImagen{
        width: 100%;
        height: auto;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        box-sizing: border-box;
        
    }
    .articuloIzq p{
        padding: 30px 20px;
        text-align: left;
        font-size: 20px;
    }
    .articuloIzq h1{
        font-size: 65px;
    }
    .articuloIzq h2{
        font-size: 20px;
    }
    .articuloIzq h3{
        font-size: 55px;
        padding: 10px;
    }
    .articuloIzq h4{
        font-size: 15px;
    }
    .semblanza{
        padding: 20px;
    }
}