html, body {
  background-color: #707070;
  width: 100%;
  height: 100%;
}

#mobile {
  position: absolute;
  text-align: center;
  width: 100vw;
  height: 100vh;  
  background-color: #5a5a5a;
  z-index: 1;
}

.image {
    top: 50%;
    -ms-transform: translateY(calc(-50% - 30px));
    transform: translateY(calc(-50% - 30px));
    position: relative;
    display: inline-block;
    width: 80%;
    margin: auto;
    border-radius: 25px;
    overflow: hidden;
    max-width:calc(min(80vh, 90vw) - 30px)
}

#tablet {
    display: block;
}

#pphone {
    display: none;
}

#lphone {
    display: none;
}

.image > img {
    width: 100%;
}

#action {
  position: absolute;
  bottom: 0;
  right: 0;
  padding-right: 30px;
  padding-bottom: 40px;
  font-family: Arial, Verdana;
}

#stay {
  display: inline;
  padding: 15px;
  color: white;
  margin-right: 20px;
}

#app {
  display: inline;
  padding: 15px;
  background-color: white;
  border-radius: 10px;
  background-position: center;
  transition: background 0.8s;
}

#app:active {
  background-color: #eeeeee;
  background-size: 100%;
  transition: background 0s;
}

@media (max-width: 500px), (max-height: 500px) {
  #tablet {
    display: none;
  }

  #lphone {
    display: block;
  }

  .image {
    -ms-transform: translateY(calc(-50% - 20px));
    transform: translateY(calc(-50% - 20px));
    max-width:calc(min(90vh, 90vw) - 30px);
  }

  #action {
    padding-bottom: 20px;
    padding-right: 15px;
  }

  #stay, #app {
    padding: 10px;
  }

  #stay {
    margin-right: 10px;
  }
}

@media (max-width: 420px) {
  #lphone {
    display: none;
  }

  #pphone {
    display: block;
  }

  #action {
    padding-bottom: 30px;
    padding-right: 20px;
  }
}

.lds-center {
  align-items: center;
  display: flex;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.lds-spinner {
  color: official;
  display: inline-block;
  position: relative;
  width: 80px;
  height: 80px;
}

.lds-spinner div {
  transform-origin: 40px 40px;
  animation: lds-spinner 1.2s linear infinite;
}

.lds-spinner div:after {
  content: " ";
  display: block;
  position: absolute;
  top: 3px;
  left: 37px;
  width: 6px;
  height: 18px;
  border-radius: 20%;
  background: #fff;
}

.lds-spinner div:nth-child(1) {
  transform: rotate(0deg);
  animation-delay: -1.1s;
}

.lds-spinner div:nth-child(2) {
  transform: rotate(30deg);
  animation-delay: -1s;
}

.lds-spinner div:nth-child(3) {
  transform: rotate(60deg);
  animation-delay: -0.9s;
}

.lds-spinner div:nth-child(4) {
  transform: rotate(90deg);
  animation-delay: -0.8s;
}

.lds-spinner div:nth-child(5) {
  transform: rotate(120deg);
  animation-delay: -0.7s;
}

.lds-spinner div:nth-child(6) {
  transform: rotate(150deg);
  animation-delay: -0.6s;
}

.lds-spinner div:nth-child(7) {
  transform: rotate(180deg);
  animation-delay: -0.5s;
}

.lds-spinner div:nth-child(8) {
  transform: rotate(210deg);
  animation-delay: -0.4s;
}

.lds-spinner div:nth-child(9) {
  transform: rotate(240deg);
  animation-delay: -0.3s;
}

.lds-spinner div:nth-child(10) {
  transform: rotate(270deg);
  animation-delay: -0.2s;
}

.lds-spinner div:nth-child(11) {
  transform: rotate(300deg);
  animation-delay: -0.1s;
}

.lds-spinner div:nth-child(12) {
  transform: rotate(330deg);
  animation-delay: 0s;
}

@keyframes lds-spinner {
  0% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}