/* Estilos globales */

body, header, footer {
  font-family: Arial, sans-serif;
  text-align: center;
  width: 100%;
  margin: 0 auto;
  padding: 0;
}

header {
  display: block; 
}

nav {
  display: block; 
  margin: 0 auto;
  width: 100%; 
}

nav ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

nav ul li {
  font-family: Arial, sans-serif;
  float: left;
  padding: 0.3rem 0;
  border: 2px solid #00007c;
  color: #00007c;
  border-radius: 15px;
}

nav ul li a {
  display: block;
  text-decoration: none;
  color: inherit;
}

footer {
  background-color: #00007c;
  color: white;
  padding: 0.2rem 0;
  position: fixed;
  bottom: 0;
  font-size: 0.8rem;
}

input[type="checkbox"] {
  background-color: #eeffee;
  width: 1.5rem;
  height: 1.5rem;
  cursor: pointer;
}

::placeholder {
  color: #7f7f7f;

}

/* -------------------------  CAJAS ---------------------------------------------------- */
/* -------------------------  CAJAS ---------------------------------------------------- */
/* -------------------------  CAJAS ---------------------------------------------------- */

.img-construccion{
    display:block;
    margin:2rem auto;
    width:500px;
    max-width:100%;
    height:auto;
}

.caja {
  width: 95%;
  max-width: 720px;
  margin: 0rem auto;
  padding: 0.5rem; 
  overflow: auto; 
}

/* -------------------------  BOTONES --------------------------- */
/* -------------------------  BOTONES --------------------------- */
/* -------------------------  BOTONES --------------------------- */

.boton { 
  cursor: pointer; 
  border-radius: 15px;
  border: none;
  padding: 0.3rem;
  margin: 0 auto;
}

.boton:active{
  background-color: yellow;
  color: black;
}

.b_100 {
  width: 100%;
}

.b_95 { 
  width: 95%;
}

.b_90 { 
  width: 90%;
}

.b_75 { 
  width: 75%;
}

.b_50 {
  width: 50%;
}

.b_salir {
  background-color: red;
  font-weight: bold;
  color: white;
}

.b_aceptar {  
  background-color: green;
  color: white;
}

.b_eliminar {
  background-color: white;
  color: red;
  /* border: 2px solid red; */
}

/* -------------------------  CLASES --------------------------- */
/* -------------------------  CLASES --------------------------- */
/* -------------------------  CLASES --------------------------- */


/* -------------------------  GRID_LINEA --------------------------- */
/* -------------------------  GRID_LINEA --------------------------- */
/* -------------------------  GRID_LINEA --------------------------- */
 
.grid_linea {
  display: grid;
  width: 100%;  
  align-items: center;
  margin: 0;
}

.gl_50 {
  grid-template-columns: 50% 50%;
}


/* -------------------------  TITULOS --------------------------- */
/* -------------------------  TITULOS --------------------------- */
/* -------------------------  TITULOS --------------------------- */

.titulo{ 
  display: block; 
  width: 100%; 
  text-align: center;
  font-weight: bold;
}

.t_pegatina {
  position: sticky;
  top: 0;
  z-index: 10; /* El z-index solo funciona si el elemento tiene position.  */ 
}

.t_pagina {
  padding: 0.5rem;
  margin: 0.5rem auto;
  background-color:#00007c; 
  color:white;
  font-size: 1.25rem;
}