html,
body.body-fullpage {
  height: 100%;
  background-image: url('../img/bg.jpg');
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  background-attachment: fixed;
}

#messenger {
  max-width: 640px;
  margin: 0 auto;
}

.question {
  display: inline-block;
  position: relative;
  border-radius: 6px;
  padding: 10px;
}
.question-tail {
  content: '';
  position: absolute;
  top: 10px;
  right: 100%;
  border-top: 8px solid transparent!important;
  border-bottom: 8px solid transparent!important;
  border-right: 8px solid;
}
.step .question .spinner-grow {
  display: none;
}
.step.loading .question .title,
.step.loading .answer {
  display: none;
}
.step.loading .question .spinner-grow {
  display: inline-block;
}