*{
    box-sizing: border-box;
}

:root{
    --color_oscuro1: rgb(18, 76, 163);
    --color_oscuro2: rgb(128, 167, 226);
    --color_letra1: black;
    --color_letra2: white;
    --color_claro: rgb(219, 235, 245);

    background-color: var(--color_claro);
}

body{
    width: 75vw;
    margin: auto;
    border: 1px solid black;
    background-color: var(--color_letra2);
    font-family: Arial, Helvetica, sans-serif;

    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 80px auto auto;
}


header{
    background-color: var(--color_oscuro1);
    color: var(--color_letra2);
    display: grid;
    grid-template-columns: 2fr 1fr;
}

#menu{
    display: none;
}

header nav{
    align-self: center;
    justify-self: center;
}

header nav ul{
    margin: 0px;
    list-style: none;
    padding: 0px;
    display: flex;

}

header nav ul li a{
    color: var(--color_letra2);
    padding: 6px;
    text-decoration: none;
    font-weight: bold;
}

header nav ul li a:hover{
    text-decoration: underline;
}


header form{
    align-self: center;
    justify-self: center;
}

main{
    display: grid;
    grid-template-columns: 2fr 9fr;
}

main aside{
    background-color: var(--color_oscuro2);
    color: var(--color_letra1);
}

main aside nav{

}

main aside nav ul{
    padding: 0px;
    margin: 0px;
    list-style: none;
}

main aside nav ul li a{
    display: block;
    padding: 8px;
    color: var(--color_letra1);
    text-decoration: none;
    border-bottom: 1px solid var(--color_oscuro1);
}

main aside nav ul li a:hover{
    background-color: var(--color_oscuro1);
    color: var(--color_letra2);
}

main article{
    padding: 15px;
    line-height: 1.5em;
} 

main article section{
}

main article section ul{
    list-style: none;
    padding: 0px;
    margin: 0px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}

main article section ul li {
    display: block;
    border: 1px solid var(--color_oscuro2);
    padding: 5px;
}

main article section ul li img{
    display: block;
    max-width: 90%;
    margin: auto;
}

main article section ul li p{
    text-align: justify;
    padding: 4px;
}

footer{
    background-color: var(--color_letra1);
    color: var(--color_letra2);
    display: grid;
    grid-template-columns: 2fr 2fr 4fr;
}

footer nav{
    align-self: center;
    justify-self: center;
}

footer nav ul{
    margin: 0px;
    list-style: none;
    padding: 0px;
}

footer nav ul li a{
    color: var(--color_letra2);
    padding: 6px;
    text-decoration: none;
    font-weight: bold;
}

footer nav ul li a:hover{
    text-decoration: underline;
}

footer aside{
    font-size: 0.8em;
    padding: 15px;
    text-align: justify;
}