header{
    background: limegreen;
    text-align: center;
}

nav{
    font-variant: small-caps;
    font-family:'Gill Sans', 'Gill Sans MT', 'Trebuchet MS', sans-serif;
    font-size: 200%
}

body{
    background-image: url('../home/rocket-model.gif');
    background-size: 100%;
    background-attachment: fixed;
    height: 100%;
    width: 100%;

}   
h1{
    background: cadetblue;
    font-size: 250%;
    text-align: center;
}

h2{
    font-variant: unset;
    font-family:'Times New Roman', Times, serif;
    background: scroll, firebrick;
    text-align: center;
}

h3{
    font-size: 169%;
    font-stretch: wider;
    background: chocolate;
    text-align: center;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}

p{
    font-variant: small-caps;
    font: italic small-caps bold 16px/2 cursive;
    text-align: center;
}

ul{
    background: lemonchiffon;
    text-align: center;
}