html{
    font-size: 14pt;    
}
body{
    margin: 2rem;
    overflow: scroll;
    /* user-select: none; */
    line-height: 2rem;
    background: linear-gradient(#fcfcfc, #e0e0e0) no-repeat fixed;
  }
  header{
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center; 
  }
  section{
      border-radius: 1rem;
      margin: 5rem 1rem;
      padding: 2rem 2rem;
      box-shadow: 0.5rem 0.8rem 1.7rem rgba(0, 0, 0, 0.3);
      background-color: white;
  }
  h1, h2{
      margin: 0.3rem 0;
      color: #031;
      text-shadow: 8px 6px 4px rgba(0, 3, 1, 0.2);
  }
  a{
      text-decoration: none;
      color: black;
      background-color: #F0F0FF;
      padding: 1px 10px;
      line-height: 1.5rem;
  }
  ul {
      list-style-type: none;
  }
  li {
      margin: 0;
      padding: 0;
  }
  li a{
      display: block;
      width: -moz-max-content;
      width: max-content;
  }
  dt{
      font-weight: bold;
  }
  footer{
      font-size: 75%;
      background-color: #b0b0b0;
      padding: 0 2rem;
      display: flex;
      flex-direction: row;
      color:white;
      border-radius: 1rem;
      align-content: center;
      margin: 1rem;
  }
  footer div{
      display: flex;
      flex-direction: row;
      justify-content: space-around;
      align-content: center;
      width: 100%;
  }
  footer em{
      color: white;
  }

  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
  /*      BOTONES                    */
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
  .boton, 
  a{
      margin: 0.2rem 1rem;
      padding: 0.2rem 0.5rem;
      border-radius: 0.7rem;
      box-shadow: 3px 3px 5px 0px #444444;
      background-color: white;
      cursor: pointer;
      transition: opacity 0s;
      display: inline-block;
      text-align: center;
  }
  a{
      margin: 1rem 1rem;
      background-color: aliceblue;
  }
  .boton:hover, 
  a:hover{
      box-shadow: 1px 1px 2px 0px #444444;
      text-shadow: 1px 1px 0px #070707;
      color: transparent;
  }
  .boton:active,
  a:active{
      opacity:0.5;
  }
  .boton_activo{
      box-shadow: inset 2px 2px 5px 0px #444444;
      text-shadow: 2px 2px 0px #070707;
      color: transparent;
  }
  .boton_activo:hover{
      box-shadow: inset 4px 4px 5px 0px #444444;
      text-shadow: 4px 4px 0px #070707;
      color: transparent;
  }
  .boton_desactivado{
      cursor: not-allowed;
      opacity: 0.3;
  }
  
  
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
  /* TABULACIONES  */
  /*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*/
  .margen1 {
      margin-left: 2rem;
  }
  .margen2 {
      margin-left: 4rem;
  }
  .margen3 {
      margin-left: 6rem;
  }