/* Sintaxis de CSS

selector {
    atributo: valor;
}

*/

@import url('https://fonts.googleapis.com/css2?family=Mozilla+Headline:wght@200..700&family=Mozilla+Text:wght@200..700&display=swap');

/* selectores de elemento */
body {
    background-color: yellow;
    font-family: "Mozilla Text", sans-serif;
}

h1, h2, h3, h4 {
    font-family: "Mozilla Headline", sans-serif;
}

main {
    background-color: white;
    width: 800px;
    max-width: 100%;
    margin: 0 auto;
}

header, footer {
    color: white;
    background-color: black;
    /*background-image: url(img/fox03.jpg);*/
    padding: 50px;
    text-align: center;
}

nav {
    border-bottom: 2px solid black;
}

section {
    padding: 10px;
}

nav ul {
    list-style: none;
}

nav li {
    display: inline;
}

nav li a {
    color: red;
    text-decoration: none;
    padding: 10px;
}

nav li a:hover {
    color: white;
    background-color: red;
    text-decoration: none;
    padding: 10px;
}

/* selectores personalizados */

.adaptable {
    display: block;
    width: 100%;
}

.centrada {
    display: block;
    margin: 0 auto;
    width: 80%;
}

.destacado {
    background-color: darkkhaki;
    padding: 10px;
}

html {
    scroll-behavior: smooth;
}