#page-header-about {
  height: 450px;
  background: 
    linear-gradient(
      rgba(49,52,56, 0.7),
      rgba(49,52,56, 0.7)
    ), url('../../img/seguranca_patrimonial_old.png') no-repeat;
  /* background-position: 0 -360px; */
  background-size: cover;
  background-attachment: fixed;
  color: #fff;
  border-bottom: 1px #eee solid;
  padding-top: 100px;
}

#page-header-services {
  height: 450px;
  background: 
    linear-gradient(
      rgba(49,52,56, 0.7),
      rgba(49,52,56, 0.7)
    ), url('../../img/ronda_periodica_old.png') no-repeat;
  /* background-position: 0 -360px; */
  background-size: cover;
  background-attachment: fixed;
  color: #fff;
  border-bottom: 1px #eee solid;
  padding-top: 100px;
}

#page-header-contact {
  height: 450px;
  background: 
    linear-gradient(
      rgba(49,52,56, 0.7),
      rgba(49,52,56, 0.7)
    ), url('../../img/planejamento_operacional.png') no-repeat;
  /* background-position: 0 -360px; */
  background-size: cover;
  background-attachment: fixed;
  color: #fff;
  border-bottom: 1px #eee solid;
  padding-top: 100px;
}