h1, h2, p, ul, li {
    margin: 0;
    padding: 0;
}

body {
    font-family: cursive;
    font-size: 105%;
    margin: 0;
    background: linear-gradient(rgb(255, 255, 255), rgb(4, 94, 0.5));
    background-size: cover;
    background-position: center;
    box-shadow: 0 0 30px 10px rgb(2, 119, 12);
}

.fondo {
    position: absolute;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), 
    url(imagenes/niños.jpg);
    background-size: cover;
    background-position: center;
    width: 100%;
    height: 400px;
    padding: 0;
    margin: 0;
    box-shadow: 0 0 30px 10px rgb(1, 37, 4);
}

@keyframes parpadeo {
    0% {
        box-shadow: 0 0 30px 10px rgb(121, 113, 113);
    }

    50% {
        box-shadow: 0 0 30px 10px rgb(121, 113, 113);
    }

    70% {
        box-shadow: 0 0 30px 10px rgb(121, 113, 113);
    }

    100% {
        box-shadow: none;
    }
}


.cabecera {
    position: sticky;
    top: 10px;
    background-color: rgba(26, 25, 25, 0.8);
    color: #ffffff;
    padding: 20px;
    margin-left: 30%;
    margin-right: 30%;
    border-radius: 20px;
    box-shadow: 0 0 30px 10px rgb(121, 113, 113);
    font-size: 30px;
    animation: parpadeo 3s infinite;
}


h1 {
    margin: 0;
    text-align: center
}
  
nav {
    position: sticky;
    background-color: rgba(75, 73, 73, 0.5);
    padding: 10px;
    border-radius: 20px;
    box-shadow: 0 0 30px 10px rgba(0, 0, 0);
    margin-top: 20px;
    margin-left: 30%;
    margin-right: 30%;
    text-align: center
}

#e-oculto {
    display: none;
    position: absolute;
    width: 250px;
    height: 30px;
    background-color: #fff;
    top: 23%;
    right: 20%;
    border-radius: 20px;
}
  
nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}
  
nav ul li {
    display: inline;
    border-style: solid;
    border-color: black;
    border-width: 0 1px 0 0;
}

.inicio {
    border-style: solid;
    border-color: black;
    border-width: 0 0 0 1px;
}
  
nav ul li a {
    color: #fff;
    text-decoration: none;
    padding: 5px;
}

#content {
    padding: 20px;
    max-width: 65%;
    position: relative;
    left: 200px;
    opacity: 0.9;
}


article {
    background-color: #fff;
    padding: 20px;
    margin: 1px 1px 10px 1px;
    text-align: justify;
    height: 270px;
}
  
article h2 {
    margin-bottom: 10px;
}

footer {
    margin-top: 30px;
}

.pie {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}