body{
  padding: 0;
  margin: 0;
  background-color: black;
}
.hidden{
  display: none !important;
}
#poster{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-content: center;
  background-color: black;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  color: white;
  text-align: center;
  z-index: 1;
}

#contentFrame{
  z-index: 0;
  position: absolute;
  top: 0;
  left: 0;
}
#poster.default-poster{
  background-image: url('../img/background2_ld.jpg');
}

.center{
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
}

#title, #message{
  font-size: 30px;
  font-weight: bold;
  margin-bottom: 20px;
}

#message > a {
  color: white;
}

#trial-message{
  margin-top: 16px;
}
.danger-text{
  color: red;
  font-style: italic;
}
#trial-mark{
  margin-top: 32px;
  background-color: white;
  padding: 8px;
}
#description, #loginArea {
  font-size: 20px
}
#messageArea{
  display: flex;
  flex-direction: column;
  align-items: center;
}
@supports (-ms-ime-align: auto) {
  #messageArea{
    margin-top: 25%;
  }
}
#infoArea{
  display: flex;
  flex-direction: column;
  align-items:center;
}

#start-button{
  width: 120px;
  height: 120px;
  background-color: white;
  -webkit-mask: url('../img/play_arrow.svg') no-repeat 50% 50%;
  mask: url('../img/play_arrow.svg') no-repeat 50% 50%;
  mask-size: 100%;
  -webkit-mask-size: 100%;
  cursor: pointer;
  opacity: 0.5;
}
#start-button:hover{
  opacity:1;
}
.poster-display #splash-screen{
  height: 120px;
  display: none;
}
.poster-display #infoarea, .poster-loading #start-button{
  display: block;
}
.spinner-only #infoArea, .poster-loading #start-button,.spinner-only #start-button ,#message, .spinner-only #messageArea{
  display: none;
}
.spinner-only #splash-screen{
  height: 120px;
  display: flex;
}
.poster-error #infoArea, .poster-error #start-button, .poster-error #splash-screen{
  display: none;
}
.poster-error #message{
  display: block;
  white-space: pre-wrap;
}
.poster-loading #start-button,.poster-loading #message{
  display: none;
}
.poster-loading #splash-screen{
  display: flex;
  color: white;
  height: 120px;
}
.poster-loading .center, .poster-display .center, .poster-error .center{
  background-color: rgba(0, 0, 0, 0.5);
}

@media screen and (max-width: 800px) {
  #title {
    font-size: 24px;
  }

  #message {
    font-size: 20px;
  }
  
  #description {
    font-size: 16px;
  }
}

@media screen and (max-width: 600px) {
  #title {
    font-size: 16px;
  }

  #description {
    font-size: 10px;
  }
}