.jumbotron {
 margin: auto;
 text-align: center;
 background-image: url(../img/snap-jumbo.jpg);
 background-size: cover;
 background-position: center center;
}
.img-thumbnail {
 width: 32px;
 height: 32px;
 margin: auto;
}
#insta, #snap {
  margin: auto;
  display: block;
  height: 32px;
  width: 32px;
}
button {
  margin: auto;
}
p {
  margin: auto;
}
h3 {
  margin-top: 1em;
}
.container {
  max-width: 720px;
}