body {
   overflow: hidden; 
   background-color: #fff;
 }
  

 .center {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;

 }
 
  .centralizar {
      text-align: center;

  }
 
  .aguarde  {
      margin-top: 30px;
      font-size: 20px;
      font-family: Verdana, Geneva, Tahoma, sans-serif;
      color: #000;
  }
 
  .agurde-text:after {
     content: "Seja bem vindo, aguarde o carregamento da página.";
  }
    
 
 .image_pre {
     height:auto;
     margin-bottom: 30px;
     max-width: 300px;
     height: auto;
 }
 
 
 
 #carregando {
    position:fixed;
    top:0;
    left:0;
    right:0;
    bottom:0;
    background-color:#fff; /* cor do background que vai ocupar o body */
    z-index:999; /* z-index para jogar para frente e sobrepor tudo */
    
 }
 #carregando .inner {
    position: absolute;
    top: 50%; /* centralizar a parte interna do preload (onde fica a animação)*/
    left: 50%;
    transform: translate(-50%, -50%);  
 }
 
 .bolas > div {
   display: inline-block;
   background-color: rgb(0, 0, 0) ;
   width: 25px;
   height: 25px;
   border-radius: 100%;
   margin: 3px;
   -webkit-animation-fill-mode: both;
   animation-fill-mode: both;
   animation-name: animarBola;
   animation-timing-function: linear;
   animation-iteration-count: infinite;
    
 }
 .bolas > div:nth-child(1) {
     animation-duration:0.75s ;
     animation-delay: 0;
 }
 .bolas > div:nth-child(2) {
     animation-duration: 0.75s ;
     animation-delay: 0.12s;
 }
 .bolas > div:nth-child(3) {
     animation-duration: 0.75s  ;
     animation-delay: 0.24s;
 }
  
 @keyframes animarBola {
   0% {
     -webkit-transform: scale(1);
     transform: scale(1);
     opacity: 1;
   }
   16% {
     -webkit-transform: scale(0.1);
     transform: scale(0.1);
     opacity: 0.7;
   }
   33% {
     -webkit-transform: scale(1);
     transform: scale(1);
     opacity: 1; 
   } 
 }