* {
    margin: 0;
    padding: 0;
  }

  body, html {
    background-color: #fff;
    font-family: userland, Calibri;
    font-size: 1.8em;
    text-align: center;
  }

img{
width:100%;
}
.heaven{
  position: fixed;
  top: 20%;
  width:100%;
  margin: 30px auto 0 auto;
  z-index: 1;
}
.logo{
width: 320px;
margin: 0;
}
.ground{
position: fixed;
bottom: 0;
}
.city{
  width: 100%;
}