.prompt {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.75);
  z-index: 20;
  color: #eee;
  overflow-y: auto;
  overflow-x: hidden;
  font-size: 1.2em;
}

.prompt form {
  max-width: 460px;
  margin: 0 auto;
}

.prompt h1 {
  font-family: robotothin;
  font-weight: normal;
  font-size: 1.5em;
}

.prompt h2 {
  font-family: robotothin;
  font-weight: normal;
  font-size: 1.2em;
  margin: 20px 0 20px 0;
}

.prompt ul.error {
  border: 1px solid rgba(255, 0, 0, 0.6);
  background-color: rgba(255, 0, 0, 0.2);
  padding: 4px;
  border-radius: 6px;
}

.prompt ul.error:empty {
  display: none;
}