*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: 0;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  width: 100%;
  height: 100%;
  -moz-osx-font-smoothing: grayscale;
  -webkit-font-smoothing: antialiased;
  background-color: #f5f5f5;
  user-select: none;
}
img {
  border: none;
  vertical-align: middle;
  pointer-events: none;
}
.full-page-view {
  position: relative;
  max-width: 750px;
  margin: 0 auto;
  height: 100%;
  width: 100%;
  background: url('../assets/bg.png') no-repeat center;
  background-size: cover;
}

.content {
  position: absolute;
  width: 100%;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  z-index: 1;
  text-align: center;
}

.content .content-img {
  max-height: calc(100vh - 110px);
}

.content .jump-btn {
  display: block;
}