#signup_form .row {
  margin-bottom: 2em;
}
#signup_form label.control-label {
  cursor: pointer;
}
#signup_form #img-preview img {
  width: auto;
  max-width: 100%;
  max-height: 200px;
}
#preview-imac {
  background: url('../img/imac-screen.png') top left no-repeat;
  width: 640px;
  height: 533px;
  background-size: cover;
  margin: 0 auto;
  padding-top: 5.4%;
}
#preview-imac > div {
  background: transparent top left no-repeat;
  background-size: cover;
  width: 87%;
  height: 65%;
  margin: 0 auto;
}
.preview-theme {
  margin-bottom: 1em !important;
}