<style>

  @import url(https://fonts.googleapis.com/css?family=Roboto:100);



   #loadingpage{

  position: fixed;

  /*position: relative;*/

  top: 0px;

  left: 0px;

  width: 100%;

  height: 100%;

  z-index: 10000;

  background-color: rgba(0, 0, 0, 0.9);

  display: block;

}



.h1-loading {

  font-size: 1.3em;

  /*margin-bottom: 40px;*/

  color: white;

  position: relative;

  /*margin-top:45px;

  margin-left: 46%;*/

    text-align:center;

    margin: 40px auto;

}



#loading {



  /*margin-top:310px;*/

  margin: 250px auto 0;

  /*margin-left: 45%;*/

  /*display: inline-block;*/

  width: 100px;

  height: 100px;

  border: 3px solid rgba(255,255,255,.3);

  border-radius: 50%;

  border-top-color: #fff;

  animation: spin 1s ease-in-out infinite;

  -webkit-animation: spin 1s ease-in-out infinite;

}



@keyframes spin {

  to { -webkit-transform: rotate(360deg); }

}

@-webkit-keyframes spin {

  to { -webkit-transform: rotate(360deg); }

}

</style>

<div id="loadingpage" style="display: block;">



<div id="loading"></div>



<h1 class='h1-loading'>Cargando...</h1>

</div>