#cds-container {
   width:90%;
    margin: 0 auto;
}
#cds-container input[type=email],
#cds-container button {
    padding: 10px;
    width: 100%;
    margin-bottom: 10px;
}
fieldset {
    border: 1px solid #ccc;
    padding: 10px;
}
/* Base preview wrapper (optional) */
.cds-preview-wrap {
  display: inline-block;
  margin-top: 8px;
}

/* Default (certificate only) */
.cds-frame-certificate {
  border: 1px solid #ccc;
}

/* Simple frame */
.cds-frame-simple {
  border: 8px solid #8a8a8a;
  box-shadow: 0 0 0 2px #d2d2d2 inset, 0 4px 18px rgba(0,0,0,0.25);
}

/* Deluxe frame */
.cds-frame-deluxe {
  border: 16px double #6b4e16;
  outline: 6px solid #d2b48c;
  box-shadow: 0 6px 28px rgba(0,0,0,0.35);
}
.cds-throbber {
  display: none;
  margin-top: 50%;
  margin-left:50%;
  text-align: center;
}

/* Throbber overlay */
.cds-throbber-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.7); /* semi-transparent white */
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}

/* Larger spinner */
.cds-throbber-overlay .spinner-border {
  width: 4rem;
  height: 4rem;
  border-width: .4em;
  color: #0d6efd; /* Bootstrap primary blue */
}