html, body {
  margin: 0;
  padding: 0;
  width: 100%;
}

.sky {
  height: 238px;
  width: 764px;
  /*background-image: url('../img/cabecalho/sky.jpg');*/
  border: none !important;
  outline: none !important;
  position: relative;
  overflow: hidden;
}

.clouds {
  /*background: url("../img/cabecalho/clouds.png");*/
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 300%;
  -webkit-animation: cloud_three 200s linear infinite;
  -moz-animation: cloud_three 200s linear infinite;
  -o-animation: cloud_three 200s linear infinite;
  -webkit-transform: translate3d(0, 0, 0);
  -moz-transform: translate3d(0, 0, 0);
  -o-transform: translate3d(0, 0, 0)
}

#conteudo {
  position: relative;
  z-index: 1;
}

@-webkit-keyframes cloud_one {
  0% {
    left: 0
  }
  100% {
    left: -200%
  }
}

@-webkit-keyframes cloud_two {
  0% {
    left: 0
  }
  100% {
    left: -200%
  }
}

@-webkit-keyframes cloud_three {
  0% {
    left: 0
  }
  100% {
    left: -200%
  }
}

/*@-moz-keyframes sky_background {
  0% {
    background: #007fd5;
    color: #007fd5
  }
  50% {
    background: #000;
    color: #a3d9ff
  }
  100% {
    background: #007fd5;
    color: #007fd5
  }
}*/

/*@-moz-keyframes moon {
  0% {
    opacity: 0;
    left: -200% -moz-transform: scale(0.5);
    -webkit-transform: scale(0.5);
  }
  50% {
    opacity: 1;
    -moz-transform: scale(1);
    left: 0% bottom: 250px;
    -webkit-transform: scale(1);
  }
  100% {
    opacity: 0;
    bottom: 500px;
    -moz-transform: scale(0.5);
    -webkit-transform: scale(0.5);
  }
}*/

@-moz-keyframes cloud_one {
  0% {
    left: 0
  }
  100% {
    left: -200%
  }
}

@-moz-keyframes cloud_two {
  0% {
    left: 0
  }
  100% {
    left: -200%
  }
}

@-moz-keyframes cloud_three {
  0% {
    left: 0
  }
  100% {
    left: -200%
  }
}