body{
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
}
#h1_color_rojo{
    background-color: red;
    text-align: center;
}
#parrafo_centro{
    text-align: center;
}
#parrafo_abajo{
    background-color: black;
    position: absolute;
    bottom: 0;
    width: 100%;
    color: white;
    text-align: center;
}
#imagen{
display:block;
margin: auto;
width: 500px;
height: 463px;
}