h1 {
    color: rgba(64, 0, 128, 1);/*#400080-morado*/
}

h1 {
    color: rgba(0, 102, 0, 1);/*#006600-verde*/
}

header h1 {
    color: rgba(77, 77, 77, 1);/*#4d4d4d-girs*/
}

#caja .cabecera h1 {
    color: rgba(255, 0, 0, 1);/*#ff0000-rojo*/
}

#caja header h1 {
    color: rgba(0, 51, 102, 1);/*#003366-azul*/
}