html,
body {
  margin: 0;
  width: 100%;
  height: 100%;
  background-color: #11abfe;
  color: #fff;
  line-height: 150%;
  font-family: "Microsoft JhengHei", Arial, Helvetica, sans-serif;
}

a {
  color: #0068B6;
  text-decoration: underline;
}

.container {
  position: relative;
  text-align: center;
  margin-top: -100px;
  top: 50%;
}

.container:before {
  content: "";
  display: inline-block;
  width: 0;
  height: 100%;
  vertical-align: middle;
}

.container > * {
  display: inline-block;
  vertical-align: middle;
}

.button-container {
  display: block;
  margin: 15px 0;
}

.bottom-container {
  position: absolute;
  left: 0;
  bottom: 20px;
  right: 0;
}

.button {
  display: inline-block;
  padding: 6px 20px 5px;
  font-size: 16px;
  color: #444;
  text-decoration: none;
  cursor: pointer;
  background: #efefef;
  border-radius: 2px;
  box-shadow: 0 0 2px 2px rgba(20%, 20%, 20%, 0.1);
  margin: 0 7px;
}

.logo {
  display: inline-block;
  width: 120px;
  overflow: hidden;
}

.bottom-link {
  position: absolute;
  left: 0;
  width: 100%;
  bottom: 20px;
  text-align: center;
}

.app-version {
  text-align: right;
  width: 67%;
  display: none;
}

.hide {
  display: none;
}

.download-container {
  font-size: 17px;
  margin-bottom: 15px;
}