codigocomentado/static/css/base.css

body{
    background-color: white;
    padding: 0;
    margin: 0;
    border: 0;
}

.logo {
    font-family: monospace;
    font-size: 40px;
}

header, nav {
    background-color: #444444;
    color: #f0f0f0;
    text-align: center;
    text-decoration: none;
    padding: 20px;
}

header a {
    color: #f0f0f0;
    text-decoration: none;
}

/*
nav {
    display: grid;
    grid-template-colums: auto 1em 1em 1em auto;
    grid-template-areas: ". item1 item2 item3 .";
}

nav a:nth-child(1) {
    grid-area: item1;
}

nav a:nth-child(2) {
    grid-area: item2;
}

nav a:nth-child(3) {
    grid-area: item3;
}
nav a {
    color: #f0f0f0;
    padding: 10px;
    font-family: monospace;
    font-size: 20px;
    text-decoration: none;
}

nav a:hover {
    background-color: #f0f0f0;
    color: black;
}
*/

div.container {
    margin: auto;
    width: 80%;
}

footer {
    bottom: 0;
    position: fixed;
    display: grid;
    width: 100%;
    background-color: #444444;
    color: #f0f0f0;
    font-family: monospace;
    font-size: 15px;
    grid-template-columns: auto 35em auto;
    grid-template-rows: 4em;
    grid-template-areas: ". info .";
}

footer span {
    grid-area: info;
    margin-top: 1.5em;
    text-align: center;
}

footer span a {
    color: #f0f0f0;
}