@charset "UTF-8";
* {
  font-family: "微軟正黑體", sans-serif;
  text-align: center;
  padding: 4px;
}

.navbar-brand {
  font-weight: 900;
}

footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: #8b2f31;
  color: white;
  text-align: center;
}

#openDoor {
  margin: 40px;
}

#studentId {
  width: 320px;
  max-width: 100%;
  border-radius: 8px;
  border: solid 1px #aaa;
  height: 40px;
  display: block;
  margin: 0 auto;
}

@media (max-width: 414px) {
  #studentId {
    width: 72%;
  }
}