html {
  font-size: 20px;
  margin: 0;
  background: #0c0207;
}
#marco {
  width: 1325px;
  height: 500px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 16px;
  margin-top: 2em;
}
#cielo {
  border-radius: 16px;
  width: 1325px;
  height: 500px;
  background: linear-gradient(to bottom, #0b4c5f 0%, #04b4ae 52%, #0c0207 100%);
  position: absolute;
  z-index: -30;
  top: 0;
  margin-top: 2em;
}
#edificios {
  background: url("https://res.cloudinary.com/pastelitos/image/upload/v1610526533/eva/edificiosOne_fsg7nx.svg");
  height: 500px;
  width: 1325px;
  z-index: -10;
  top: 6.5em;
  background-position: 0px 0px;
  background-repeat: repeat-x;
  -webkit-animation: animar_edificios 120s linear infinite;
  -ms-animation: animar_edificios 120s linear infinite;
  -moz-animation: animar_edificios 120s linear infinite;
  position: absolute;
}
@keyframes animar_edificios {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 100% 0;
  }
}
@-webkit-keyframes animar_edificios {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 100% 0;
  }
}
@-ms-keyframes animar_edificios {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 100% 0;
  }
}
@-moz-keyframes animar_edificios {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 100% 0;
  }
}
#luna {
  width: 6em;
  height: 6em;
  -moz-border-radius: 50%;
  -webkit-border-radius: 50%;
  border-radius: 50%;
  -moz-box-shadow: 30px 10px 0 #f7f8e0;
  -webkit-box-shadow: 30px 10px 0 #f7f8e0;
  box-shadow: 30px 10px 0 #f7f8e0;
  margin-top: 1em;
  margin-left: 50%;
  position: absolute;
  z-index: -19;
}
#muro {
  height: 23em;
  width: 100%;
  background: -moz-linear-gradient(top, #416663 0%, #0c0207 19%);
  background: -webkit-linear-gradient(top, #416663 0%, #0c0207 19%);
  background: linear-gradient(to bottom, #416663 0%, #0c0207 19%);
  bottom: 0px;
}
#gato {
  background: url("https://res.cloudinary.com/pastelitos/image/upload/v1610526571/eva/gatito_pushui.svg");
  height: 297px;
  width: 507.5px;
  margin-top: 2em;
  margin-left: 2em;
  z-index: 10;
  -webkit-animation: sprite-animation 1.2s steps(16, end) infinite;
  -moz-animation: sprite-animation 1.2s steps(16, end) infinite;
  -ms-animation: sprite-animation 1.2s steps(16, end) infinite;
  animation: sprite-animation 1.2s steps(16, end) infinite;
}
@-webkit-keyframes sprite-animation {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -8120px 0;
  }
}

@-ms-keyframes sprite-animation {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -8120px 0;
  }
}

@-moz-keyframes sprite-animation {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -8120px 0;
  }
}

@keyframes sprite-animation {
  from {
    background-position: 0 0;
  }
  to {
    background-position: -8120px 0;
  }
}