.back {
  background-image: url(../images/back.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: top center;
  height: 100%;
  width: 100%;
}
.colorpadrao {
  color:  #FFF;
  text-shadow: 0.1em 0.1em 0.2em black;
  text-align: left;
}
.colorpadrao p {
  font-size: 1.2em;
  line-height: 126%;
}
.colorpadrao iframe {
  margin: 10px 0;
  border-radius: 10px;
  text-shadow: 0.1em 0.1em 0.2em black;
}
.backniver {
    background-image: url(../images/fundo.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: top center;
    width: 100%;
    min-height: 640px;
}
.vamosir {
  font-size: 1.8em;
  background-color: #44ab00;
}
.vamosir:hover {
  font-size: 1.8em;
  background-color: #4fc600;
}

@media ( max-width: 700px ){
  .colorpadrao , .limpar {
    margin:  0 !important;
    padding: 0 !importatn;
  }
  .backniver {
    background-image: url(../images/fundo.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: top center;
    width: 100%;
    min-height: 540px;
  }
  .backniver img {
    width: 170px;
  }

}

/* ============================    carregando_dados   ================================  */
.carregando_dados , .carregando_dados_on {
  width: 100%;
  position: fixed;
  background-color: #410087;
  opacity:0.8;
  height: 100%;
  top: 0;
  left: 0;
  background-image: url(../img/loading51.gif);
  background-position: center;
  background-repeat: no-repeat;
  z-index: 99999;
}
.carregando_dados_on {
  background-image: none;
  z-index: 99;
}
.carregando_dados span { 
  display: block;
  width: 100%;
  height: 100%;
  text-align: center;
  vertical-align: middle;
  color: #fff;
}