body {
  background-color: #0c052f;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
  text-align: center;
}

.circle-btn {
  border: 1px solid #000;
  border-radius: 50%;
  width: 85px;
  height: 85px;
  line-height: 50px;
  margin: 5px;
}

#numPad {
  font-size: xx-large;
}

.row {
  display: flex;
  justify-content: center;
}

#pinInput {
  text-align: center;
  font-size: 33px;
  background-color: transparent;
  border: none;
  color: aqua;
}

.pin-section {
  height: 100%;
  padding: 10%;
  padding-left: 2%;
  padding-right: 2%;
}

.invi-btn {
  background-color: transparent;
  border: none;
}

#pinConfirmInput {
  text-align: center;
  font-size: 33px;
  background-color: transparent;
  border: none;
  color: aqua;
}

#confirmPin {
  font-size: x-large;
}

#submitPin {
  font-size: x-large;
}