{"id":1337,"date":"2024-08-01T19:00:52","date_gmt":"2024-08-01T17:00:52","guid":{"rendered":"https:\/\/blog.sutilweb.eu\/?page_id=1337"},"modified":"2024-08-01T19:00:52","modified_gmt":"2024-08-01T17:00:52","slug":"44-barra-de-navegacion-css-3","status":"publish","type":"page","link":"https:\/\/sutilweb.eu\/index.php\/lenguajes\/css3\/css3-basico\/44-barra-de-navegacion-css-3\/","title":{"rendered":"44. Barra de navegaci\u00f3n CSS (3)"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Topnav Responsive<\/h2>\n\n\n\n<p>Vamos a crear una <strong>barra de navegaci\u00f3n<\/strong> que se adapte a todo tipo de dispositivos, la sintaxis que vamos a utilizar es la siguiente:<\/p>\n\n\n\n<!--more-->\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;!DOCTYPE html><br>&lt;html lang=\"es\"><br>  &lt;head><br>    &lt;meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" \/><br>    &lt;style><br>      body {<br>        margin: 0;<br>      }<br><br>      ul.topnav {<br>        list-style-type: none;<br>        margin: 0;<br>        padding: 0;<br>        overflow: hidden;<br>        background-color: #333;<br>      }<br><br>      ul.topnav li {<br>        float: left;<br>      }<br><br>      ul.topnav li a {<br>        display: block;<br>        color: white;<br>        text-align: center;<br>        padding: 14px 16px;<br>        text-decoration: none;<br>      }<br><br>      ul.topnav li a:hover:not(.active) {<br>        background-color: #111;<br>      }<br><br>      ul.topnav li a.active {<br>        background-color: #04aa6d;<br>      }<br><br>      ul.topnav li.right {<br>        float: right;<br>      }<br><br>      @media screen and (max-width: 600px) {<br>        ul.topnavli.right,<br>        ul.topnavli {<br>          float: none;<br>        }<br>      }<br>    &lt;\/style><br>  &lt;\/head><br><br>  &lt;body><br>    &lt;ul class=\"topnav\"><br>      &lt;li>&lt;a href=\"#\" class=\"active\">Home&lt;\/a>&lt;\/li><br>      &lt;li>&lt;a href=\"#\">Quienes somos&lt;\/a>&lt;\/li><br>      &lt;li>&lt;a href=\"#\">Donde estamos&lt;\/a>&lt;\/li><br>      &lt;li class=\"right\">&lt;a href=\"#\">Contacto&lt;\/a>&lt;\/li><br>    &lt;\/ul><br><br>    &lt;div style=\"margin: 20px\"><br>      &lt;h2>Men\u00fa horizontal Responsive&lt;\/h2><br>      &lt;p>Este es un ejm de men\u00fa horizontal Responsive&lt;\/p><br>    &lt;\/div><br>  &lt;\/body><br>&lt;\/html><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Sidenav Responsive<\/h2>\n\n\n\n<p>Ahora vamos a dejar una sintaxis cuando el men\u00fa est\u00e1 en el lateral, dependiendo del dispositivo lo veremos o bien en el lateral o bien arriba de la p\u00e1gina.<\/p>\n\n\n\n<p>El c\u00f3digo es el siguiente:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">&lt;!DOCTYPE html><br>&lt;html><br>  &lt;head><br>    &lt;meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\" \/><br>    &lt;style><br>      body {<br>        margin: 0;<br>      }<br><br>      ul.sidenav {<br>        list-style-type: none;<br>        margin: 0;<br>        padding: 0;<br>        width: 25%;<br>        background-color: #f1f1f1;<br>        position: fixed;<br>        height: 100%;<br>        overflow: auto;<br>      }<br><br>      ul.sidenav li a {<br>        display: block;<br>        color: #000;<br>        padding: 8px 16px;<br>        text-decoration: none;<br>      }<br><br>      ul.sidenav li a.active {<br>        background-color: #4caf50;<br>        color: white;<br>      }<br><br>      ul.sidenav li a:hover:not(.active) {<br>        background-color: #555;<br>        color: white;<br>      }<br><br>      div.content {<br>        margin-left: 25%;<br>        padding: 1px 16px;<br>        height: 1000px;<br>      }<br><br>      @media screen and (max-width: 900px) {<br>        ul.sidenav {<br>          width: 100%;<br>          height: auto;<br>          position: relative;<br>        }<br><br>        ul.sidenav li a {<br>          float: left;<br>          padding: 15px;<br>        }<br><br>        div.content {<br>          margin-left: 0;<br>        }<br>      }<br><br>      @media screen and (max-width: 400px) {<br>        ul.sidenav li a {<br>          text-align: center;<br>          float: none;<br>        }<br>      }<br>    &lt;\/style><br>  &lt;\/head><br>  &lt;body><br>    &lt;ul class=\"sidenav\"><br>      &lt;li>&lt;a class=\"active\" href=\"#home\">Home&lt;\/a>&lt;\/li><br>      &lt;li>&lt;a href=\"#news\">News&lt;\/a>&lt;\/li><br>      &lt;li>&lt;a href=\"#contact\">Contact&lt;\/a>&lt;\/li><br>      &lt;li>&lt;a href=\"#about\">About&lt;\/a>&lt;\/li><br>    &lt;\/ul><br><br>    &lt;div class=\"content\"><br>      &lt;h2>Responsive Sidenav Example&lt;\/h2><br>      &lt;p><br>        This example use media queries to transform the sidenav to a top<br>        navigation bar when the screen size is 900px or less.<br>      &lt;\/p><br>      &lt;p><br>        We have also added a media query for screens that are 400px or less,<br>        which will vertically stack and center the navigation links.<br>      &lt;\/p><br>      &lt;p><br>        You will learn more about media queries and responsive web design later<br>        in our CSS Tutorial.<br>      &lt;\/p><br>      &lt;h3>Resize the browser window to see the effect.&lt;\/h3><br>    &lt;\/div><br>  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