.abs-center {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
  }

  #contenedor 
  {
    display: block;
    overflow-y: scroll;
    scroll-behavior: smooth;
    width: 400px;
    height: 750px;
  }
  .alert{
    background-color: rgb(253, 199, 199) !important;
    color:red;
    height:3.5rem;
    padding-top: .5rem;
    padding-left: 1.4rem;
    font-size: 1.1rem;
    
}