.principal-button{
    background-color: #3f51b5;
    border-color: #3f51b5;
    color: white;
    font-weight: 700;
}
.principal-button:hover {
      background-color: #84e9df;
      transition: 0.7s;
      border: 1px solid #84e9df;
      color: #3f51b5;
      font-weight: 700;
  }
  .topbar{
    background-color: #3f51b5;
  }
  .navbar-open {
      background-color: #3f51b5;
      transition: 0.7s;
  }
  .page-item.active .page-link :hover{
    background-color: #3f51b5 !important;
    border: 1px solid black;
       border-color: #000000;
}
.page-item.active .page-link {
    background-color: #3f51b5 !important;
    border: 1px solid black;
    border-color: #000000;

}
.page-link {
    color: black !important;
}
.centered {
    text-align: center;
  }