body{
	font-family: Verdana, Geneva, sans-serif;
	color: black;
}

h1 {
	color: purple;
} 


#caja header h1 {
	color: green;
} 
#caja .cabecera h1 {
	color: aqua;
} 

header{
	color: red; 
	font-size: 1.5em;
}
header h1 {
	color: blue;
}