index.css

.sso-hidden {
  display: block;
}

.banner {
  padding: 0;
  background-color: #52575c;
  color: white;
}

.banner-text {
  padding: 8px 20px;
  margin: 0;
}


#join-form {
  margin-top: 10px;
}

.tips {
  font-size: 12px;
  margin-bottom: 2px;
  color: gray;
}

.join-info-text {
  margin-bottom: 2px;
}

.join-info-group input {
  width: 100%;
  margin-bottom: 2px;
}

.player {
  width: 480px;
  height: 320px;
}

.player-name {
  margin: 8px 0;
}

#success-alert, #success-alert-with-token {
  display: none;
}

@media (max-width: 640px) {
  .player {
    width: 320px;
    height: 240px;
  }
}

.collapse-wrapper {
  display: inline-block;
  position: relative;
}

.collapse-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 999;
}


.collapse-wrapper .collapse-btn {
  padding-left: 6.5rem;
  padding-right: 6.5rem
}

@media (max-width: 640px) {
  .collapse-wrapper {
    margin-top: 10px;
  }
}

@media (max-width: 380px) {
  .collapse-wrapper .collapse-btn {
    padding-left: 4.5rem;
    padding-right: 4.5rem
  }
}