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---
id: bad87fee1348bd9acde08712
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title: Utiliza diseño responsivo con contenedores de fluido de Bootstrap
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challengeType: 0
forumTopicId: 18362
dashedName: use-responsive-design-with-bootstrap-fluid-containers
---
# --description--
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En la seccion de HTML5 y CSS de freeCodeCamp construimos un 'Cat Photo App'. Ahora volvamos a él. Esta vez, vamos a estilizarlo utilizando el popular framework CSS responsivo de Bootstrap.
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Bootstrap averiguará cuan ancha es tu pantalla y responderá redimensionando tus elementos HTML - de ahí el nombre < dfn > diseño responsivo< / dfn > .
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Con diseño responsivo, no hay necesidad de diseñar una versión móvil de tu sitio web. Se verá bien en dispositivos con pantallas de cualquier ancho.
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Puedes añadir Bootstrap a cualquier aplicación agregando el siguiente código en la parte superior de tu HTML:
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```html
< link rel = "stylesheet" href = "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity = "sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin = "anonymous" / >
```
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En este caso, ya lo hemos añadido por ti en esta página, tras bambalinas. Ten en cuenta que para cerrar la etiqueta `link` puedes utilizar `>` o `/>` .
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Para comenzar, debemos anidar todo nuestro HTML (menos la etiqueta `link` y el elemento `style` ) en un elemento `div` con la clase `container-fluid` .
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# --hints--
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Tu elemento `div` debe tener la clase `container-fluid` .
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```js
assert($('div').hasClass('container-fluid'));
```
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Tu elemento `div` debe tener una etiqueta de cierre.
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```js
assert(
code.match(/< \/div > /g) &&
code.match(/< div / g ) & &
code.match(/< \/div > /g).length === code.match(/< div / g ). length
);
```
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Todos los elementos HTML después de la etiqueta de cierre de `style` deben estar anidados dentro de `.container-fluid` .
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```js
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assert($('.container-fluid').children().length >= 8 & & !$('.container-fluid').has("style").length & & !$('.container-fluid').has("link").length);
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```
# --seed--
## --seed-contents--
```html
< link href = "https://fonts.googleapis.com/css?family=Lobster" rel = "stylesheet" type = "text/css" >
< style >
.red-text {
color: red;
}
h2 {
font-family: Lobster, Monospace;
}
p {
font-size: 16px;
font-family: Monospace;
}
.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 50%;
}
.smaller-image {
width: 100px;
}
< / style >
< h2 class = "red-text" > CatPhotoApp< / h2 >
< p > Click here for < a href = "#" > cat photos< / a > .< / p >
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< a href = "#" > < img class = "smaller-image thick-green-border" src = "https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt = "A cute orange cat lying on its back." > < / a >
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< p > Things cats love:< / p >
< ul >
< li > cat nip< / li >
< li > laser pointers< / li >
< li > lasagna< / li >
< / ul >
< p > Top 3 things cats hate:< / p >
< ol >
< li > flea treatment< / li >
< li > thunder< / li >
< li > other cats< / li >
< / ol >
< form action = "https://freecatphotoapp.com/submit-cat-photo" >
< label > < input type = "radio" name = "indoor-outdoor" > Indoor< / label >
< label > < input type = "radio" name = "indoor-outdoor" > Outdoor< / label >
< label > < input type = "checkbox" name = "personality" > Loving< / label >
< label > < input type = "checkbox" name = "personality" > Lazy< / label >
< label > < input type = "checkbox" name = "personality" > Crazy< / label >
< input type = "text" placeholder = "cat photo URL" required >
< button type = "submit" > Submit< / button >
< / form >
```
# --solutions--
```html
< link href = "https://fonts.googleapis.com/css?family=Lobster" rel = "stylesheet" type = "text/css" >
< style >
.red-text {
color: red;
}
h2 {
font-family: Lobster, Monospace;
}
p {
font-size: 16px;
font-family: Monospace;
}
.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 50%;
}
.smaller-image {
width: 100px;
}
< / style >
< div class = "container-fluid" >
< h2 class = "red-text" > CatPhotoApp< / h2 >
< p > Click here for < a href = "#" > cat photos< / a > .< / p >
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< a href = "#" > < img class = "smaller-image thick-green-border" src = "https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt = "A cute orange cat lying on its back." > < / a >
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< p > Things cats love:< / p >
< ul >
< li > cat nip< / li >
< li > laser pointers< / li >
< li > lasagna< / li >
< / ul >
< p > Top 3 things cats hate:< / p >
< ol >
< li > flea treatment< / li >
< li > thunder< / li >
< li > other cats< / li >
< / ol >
< form action = "https://freecatphotoapp.com/submit-cat-photo" >
< label > < input type = "radio" name = "indoor-outdoor" > Indoor< / label >
< label > < input type = "radio" name = "indoor-outdoor" > Outdoor< / label >
< label > < input type = "checkbox" name = "personality" > Loving< / label >
< label > < input type = "checkbox" name = "personality" > Lazy< / label >
< label > < input type = "checkbox" name = "personality" > Crazy< / label >
< input type = "text" placeholder = "cat photo URL" required >
< button type = "submit" > Submit< / button >
< / form >
< / div >
```