body{
background-color: orange;
color: blue;
}
div h1{
color: white;
background-color: green;
padding: 4em;
border-color: blue;
width: 80%;
height: 100px;
border: 5px solid blue;
}
#caja h1{
color: purple;
}
.cabecera h1{
color: red;
}
#caja .cabecera h1{
background-color: purple;
color: cyan;
}
header>h1{
color: yellow;
}
h1{
color:white;
}