body{
    display: flex;
    flex-wrap: nowrap;
}

img{
    width: 100%;
}

#eficiencia{
    width: 50%;
    padding: 20px;
    box-sizing: border-box;
}

#energia{
    width: 50%;
    padding: 20px;
    box-sizing: border-box;
}

#centrosdatos{
    width: 50%;
    padding: 20px;
    box-sizing: border-box;
}

article{
    font-size: larger;
    color: grey;

}

#eficiencia2{
    color: blue;
}

#energia2{
    color: blue;
}

#centros{
    color: blue; 
}