* {
    margin: 0px;
    padding: 0px;
}
header, nav, section, article, footer {
    display: block;
}
body{
    text-align: center;
    background-image: url(img/3.jpg);
    background-size: 100vw 100vh;
    background-attachment: fixed;
}
#agrupar {
    width: 95%;
    margin: auto;
}
#cabecera {
    margin: 10px;
    color: #EDF40E;
    text-shadow: 2px 2px 4px #F7060A;
}
#menu {
    display:flex;
    margin: 20px;
}
#menu a {
    flex: 1;
    border-right: 1ps solid red;
    text-decoration: none;
    color: #fff;
}
#menu a:hover {
    color: #EDF40E;
    font-size: 20px;
    text-shadow: 2px 2px 5px blue;
}
#seccion {
    width: 70%;
    margin: auto;
    color: #fff;
    margin-top: 50px
}
#pie {
    margin: 30px;
    font-size: 20px;
    color: #fff;
    position: absolute;
    width: 88%;
    bottom: 0px;
    clear: both;
}
#pie a {
    text-decoration: none;
    color: #EDF40E;
}
h2 {
    font: bold 14px verdana sans-serif;
    font-size: 20px;
    color: #EDF40E;
    margin: 5px;
}
p{
    margin: 10px;
}
p a {
    text-decoration: none;
    color: #220A9B;
    font-size: 18px;
    text-shadow: 1px 1px 4px;
}