body{
    background-image: url(space.jpg);
    width: 1000px;
    margin: 0 auto;

}
header {
    padding: 1px;
    text-align: center;
}
h1 {
    color: aqua;
}
main {
    color: black;
    background: white;
    
}
footer {
    background-color:blue;
    color: aqua;
    text-align: center;
    padding 20px 20px;
}
a {
    background-color:blue;
    color: aqua;

}
a:hover {
    color:aqua;
}
nav a{
    text-decoration: none;
    background: blue;
    color: black;
    text-transform: uppercase;
    padding: 10px;
    margin: 0 5px;
    display: inline-block;
}
.active {
    background-color: darkred;
}
h1{
    padding: 20px;
    font-size: 60px;
    font-family: serif;
    background: blue;
    border-radius: 40px;
    text-align: center;
    color: black;
}