body {
    height: 100vh;
    width: 100vw;
}
h1, h3{
    text-align: center;
}
.imgOutput {
 height: 80vh;
    width: 100vw;
}

p.background--light {
    color: black;
}

p.background--dark {
    color: white;
}

p.background--complex {
    color: gray;
}

.btn-lg {
    opacity: 0.5;
    text-align: center;
    position: relative;
    left: 30%;

}
.btn-primary {
    background-color: dimgrey!important;
    border-radius: 32px!important;

}
.bold {
   // color: white  ;
}
body{
    margin: 50px;
    background-color: #272b30;
}
.jumbotron {
    padding: 25px;

}


.bold {
    font-weight: bold;
}
img {
    width: 100%;
    position: absolute;
}
iframe {
    width: 100%;
    height: 100vh;
    border: 0;
    background-position: center;
}
.nasa-logo {
    width: 30%;
    height: 30%;
}
.img-responsive {
    width: 30%;
    height: 30%;
    margin: 0 auto;
}
@media only screen and (min-width : 480px) {
.btn-primary{
    position: relative;
    left: 33.3%;
}
}