body{
    width: 850px;
    margin: 0 auto;
    font-family: Arial;
    }
.background{
    background-image:url(nasa-background.jpg);
    position: relative;
    top:0;    
    height:450px;
    z-index: -1;
}
.nasa {
    text-align: center;
    line-height: 450px;
    color: white;
    font-size: 40px;
}

main{
    background-color: #E6E6E6;
    height: 324px;
    margin-top: 1em;  
}
h3 ~ div{
    font-size: 12px;
    margin-bottom: 5px;
    color: #575757;
    }
h3{
    font-weight: 800;
}
h1{
    margin: 0;
}
.outside-box{
    width: 270px;
    float: left;
}
.outside-box:nth-child(2){
    margin-left: 20px;
    margin-right: 20px;
}
.inside-box{
    margin-left: 20px;
}

#name, #message{
    width: 220px;
    margin-bottom: 5px;
}
#message{
    height: 75px;
}
#send{
    background-color:dimgrey;
    width: 70px;
    height: 30px;
    color: white;
    font-family: Arial Black;
    
}