#app .navbar-nav .highlight {
  color: #56c6c6; }

#app .intro h1 {
  color: #56c6c6; }

#app .intro p {
  color: #7d8285; }

#app .box img {
  width: 100%; }

#app .questions {
  background-color: #eef4f7; }
  #app .questions .question {
    padding: 10px 0; }
    #app .questions .question .title {
      cursor: pointer;
      font-size: 18px; }
    #app .questions .question .desc {
      font-size: 15px;
      color: gray; }

#app .contact-p {
  background-color: #eef4f7; }
  #app .contact-p .qrcode {
    padding: 25px; }
  #app .contact-p .screenshot {
    border: 2px solid #56c6c6; }

#app .video-p .course-menu {
  margin: 20px; }

#app .video-p .rect {
  padding-top: 200%; }

#app .video-p .tip {
  font-size: 25px;
  font-weight: 500;
  color: #56c6c6;
  text-align: center;
  margin: 20px 0; }

#app .video-p video,
#app .video-p img {
  width: 100%; }

.active {
  color: #56c6c6; }

.mybtn {
  transform: scale(1); }

.mybtn:hover {
  transform: scale(0.95); }

.mybtn:active {
  transform: scale(0.85); }

.rect {
  position: relative;
  padding-top: 100%; }
  .rect > div {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0; }

.footer-about h4 {
  font-size: 1rem; }

.footer-about a {
  color: #fff;
  text-decoration: none; }

@media (min-width: 768px) {
  .footer-about h4 {
    display: none; }
  .footer-about .experience-qrcode {
    max-width: 200px; } }

.experience-qrcode {
  width: 100%;
  background: white;
  border-radius: 10%; }

.space {
  padding: 10px; }

@media (min-width: 768px) {
  .float-btn {
    display: none; } }

@media (max-width: 768px) {
  .bottom-space {
    height: 88px; }
  .float-btn {
    z-index: 100;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 88px;
    background: #56c6c6; }
    .float-btn a {
      color: #fff;
      text-decoration: none; } }