body {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('space_bg.jpg');
    background-position: center top;
    color: white;
    font-family: "Helvetica", "sans-serif";
}

#search { 
    text-align : center; 
    font-size: 25px
}

a {
    color: white;
}

a:active {
    color: grey;
}