@media screen and (max-width:944px){
    .cabecera{
    justify-content: center;
    }
    .titulo-principal{
        padding-top: 15px;
        padding-left: 10px;
        padding-right: 10px;
        padding-bottom: 0px;
        font-size: 1.4em;
        text-align: center;
        }
}


@media screen and (max-width:1090px){
    .nav{
    display: none;
    }
}


@media screen and (max-width:1550px){
    .separador{
    display: none;
    }
}
@media screen and (max-width:768px){
    .cuadrado2{
    display: none;
    }
   
    .cuadrado1{
        width: 100%;
        
    }

    .elonfoto , .elonfoto1, .elonfoto2{
        width: 90%;
        height: 90%;

    }
}
@media screen and (max-width:520px){
    .foto{
    width: 320px;
    height: 530px;
    }
    .imagen{display: none }
    
}


@media screen and (max-width:900px){
    .titulo2, .titulo{
    font-size: 22px;
    }
    .subtitulo, .subtitulomac{
    font-size: 20px;
    }
    .parrafo{
        font-size: 18px;
    }
}
@media screen and (max-width:768px){
    body{
        display: grid;
    }
    
    .cuadrado1{
        width: auto;
    }
    .arti1{
    display: flex;
    flex-direction: column;
    align-items: center;
    }
    
   }

   @media screen and (min-width:1091px){
    .imagenmenu{
    display:none;
    }
    
}
@media screen and (max-width:768px){
    .twitter1{
        display: flex;
        flex-direction: column;
        width: 300px;
        height: 400px;
    }
}