body{
  background: #FFF;
}

.main{
  width: 100%;
  height: 32rem;
  background: url('../img/index.png');
  background-size: 100% 100%;
  position: relative;
}

.header{
  width: 100%;
  height: 1.3rem;
  background: url('../img/header.png');
  background-size: 100% 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1;
}

.footer{
  width: 100%;
  height: 1.88rem;
  background: url('../img/footer.png');
  background-size: 100% 100%;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 1;
}

@keyframes flash {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(.9);
  }
  100% {
    transform: scale(1);
  }
}