html{
    background: linear-gradient(to right, #0d051c, #01072d, #073810);
}
body{
    
    margin: 0;
    padding: 0;
    position: relative;
}
header{
    border:color(from color srgb r g b);
    background-color: #01072d;
    color: aqua;
    font-size: 30px;

}
h3{
    color: aliceblue;
}
#link{
    color: rgb(255, 0, 0);
}
.contacto{

    width: 300px;
    height: 200px;
    
    background-image: url("fon.jpg");
    background-size: cover;
    background-position: center;

}