body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

header {
    background-color: #002a50;
    padding: 20px;
    color: white;
    text-align: center;
}

header h1{
    font-family: Georgia, 'Times New Roman', Times, serif;
}

nav {
    background-color: #888b8d;
    padding: 15px;
    display:flex;
    gap: 10px;
}

nav>ul{
    list-style: none;
    display: flex;
    justify-content: center;
    
}

nav ul>li {
    margin: 10px 20px;
}


main {
    background-color: #ced1d3;
    display: flex;/*Organizar y alinear elementos hijos*/
    padding: 20px;
    gap: 10px;/*Definir el espacio entre los elementos hijos del contenido*/
}

#programacion {
    background-color: #f896d3;
    padding: 15px;
    flex: 2;
    border-radius: 15px; 
    border: 3px solid #002a50;
}

#estructura {
    background-color: #f8c057;
    padding: 15px;
    flex: 2;
    border-radius: 15px; 
    border: 3px solid #002a50;
}

#redes {
    background-color: #f896d3;
    padding: 15px;
    flex: 2;
    border-radius: 15px; 
    border: 3px solid #002a50;
}

#tecnologia {
    background-color: #f8c057;
    padding: 15px;
    flex: 2;
    border-radius: 15px; 
    border: 3px solid #002a50;
}

.submenu {
    padding: 15px;
    text-align: left;
    display: grid;
    grid-template-columns: 3fr;
    gap: 10px;
}

#nav a:hover {
    color: rgb(0, 0, 0);
    text-decoration: underline;
}

#nav a {
    color: rgb(255, 255, 255);
    text-decoration: underline;
}

.submenu>li{
    padding: 10px;
    background-color: white;
    border-radius: 10px;
}

footer {
    padding: 15px;
    background-color: #002a50;
    text-align:left;
    color: white;
    text-align: center;
}