unslug es: modify

28 files changed, 58 insertions, 30 deletions

diff --git a/files/es/learn/css/building_blocks/backgrounds_and_borders/index.html b/files/es/learn/css/building_blocks/backgrounds_and_borders/index.html
index 0de93e1eb1..a44c392720 100644
--- a/files/es/learn/css/building_blocks/backgrounds_and_borders/index.html
+++ b/files/es/learn/css/building_blocks/backgrounds_and_borders/index.html
@@ -1,7 +1,8 @@
 ---
 title: Fondos y bordes
-slug: Learn/CSS/Building_blocks/Fondos_y_bordes
+slug: Learn/CSS/Building_blocks/Backgrounds_and_borders
 translation_of: Learn/CSS/Building_blocks/Backgrounds_and_borders
+original_slug: Learn/CSS/Building_blocks/Fondos_y_bordes
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/The_box_model", "Learn/CSS/Building_blocks/Handling_different_text_directions", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/cascade_and_inheritance/index.html b/files/es/learn/css/building_blocks/cascade_and_inheritance/index.html
index 91a359181f..b90c7a9d1f 100644
--- a/files/es/learn/css/building_blocks/cascade_and_inheritance/index.html
+++ b/files/es/learn/css/building_blocks/cascade_and_inheritance/index.html
@@ -1,7 +1,8 @@
 ---
 title: Cascada y herencia
-slug: Learn/CSS/Building_blocks/Cascada_y_herencia
+slug: Learn/CSS/Building_blocks/Cascade_and_inheritance
 translation_of: Learn/CSS/Building_blocks/Cascade_and_inheritance
+original_slug: Learn/CSS/Building_blocks/Cascada_y_herencia
 ---
 <div>{{LearnSidebar}}{{NextMenu("Learn/CSS/Building_blocks/Selectors", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/debugging_css/index.html b/files/es/learn/css/building_blocks/debugging_css/index.html
index 5f04fdd756..3e1b940897 100644
--- a/files/es/learn/css/building_blocks/debugging_css/index.html
+++ b/files/es/learn/css/building_blocks/debugging_css/index.html
@@ -1,7 +1,8 @@
 ---
 title: Depurar el CSS
-slug: Learn/CSS/Building_blocks/Depurar_el_CSS
+slug: Learn/CSS/Building_blocks/Debugging_CSS
 translation_of: Learn/CSS/Building_blocks/Debugging_CSS
+original_slug: Learn/CSS/Building_blocks/Depurar_el_CSS
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Styling_tables", "Learn/CSS/Building_blocks/Organizing", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/fundamental_css_comprehension/index.html b/files/es/learn/css/building_blocks/fundamental_css_comprehension/index.html
index b53db2df02..a4f90859a7 100644
--- a/files/es/learn/css/building_blocks/fundamental_css_comprehension/index.html
+++ b/files/es/learn/css/building_blocks/fundamental_css_comprehension/index.html
@@ -1,6 +1,6 @@
 ---
 title: Comprensión de los fundamentos de CSS
-slug: Learn/CSS/Introduction_to_CSS/Fundamental_CSS_comprehension
+slug: Learn/CSS/Building_blocks/Fundamental_CSS_comprehension
 tags:
   - CSS
   - Estilo
@@ -12,6 +12,7 @@ tags:
   - comentários
   - reglas
 translation_of: Learn/CSS/Building_blocks/Fundamental_CSS_comprehension
+original_slug: Learn/CSS/Introduction_to_CSS/Fundamental_CSS_comprehension
 ---
 <div class="boxed translate-rendered">
 <div>{{LearnSidebar}}</div>
diff --git a/files/es/learn/css/building_blocks/handling_different_text_directions/index.html b/files/es/learn/css/building_blocks/handling_different_text_directions/index.html
index fa21de66e5..4f1e9a7143 100644
--- a/files/es/learn/css/building_blocks/handling_different_text_directions/index.html
+++ b/files/es/learn/css/building_blocks/handling_different_text_directions/index.html
@@ -1,6 +1,6 @@
 ---
 title: Manejando diferentes direcciones de texto
-slug: Learn/CSS/Building_blocks/Manejando_diferentes_direcciones_de_texto
+slug: Learn/CSS/Building_blocks/Handling_different_text_directions
 tags:
   - Aprendizaje
   - CSS
@@ -10,6 +10,7 @@ tags:
   - Principiante
   - Propiedades lógicas
 translation_of: Learn/CSS/Building_blocks/Handling_different_text_directions
+original_slug: Learn/CSS/Building_blocks/Manejando_diferentes_direcciones_de_texto
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Backgrounds_and_borders", "Learn/CSS/Building_blocks/Overflowing_content", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/images_media_form_elements/index.html b/files/es/learn/css/building_blocks/images_media_form_elements/index.html
index db0f522728..27232582a5 100644
--- a/files/es/learn/css/building_blocks/images_media_form_elements/index.html
+++ b/files/es/learn/css/building_blocks/images_media_form_elements/index.html
@@ -1,7 +1,8 @@
 ---
-title: 'Imágenes, medios y elementos de formulario'
-slug: Learn/CSS/Building_blocks/Imágenes_medios_y_elementos_de_formulario
+title: Imágenes, medios y elementos de formulario
+slug: Learn/CSS/Building_blocks/Images_media_form_elements
 translation_of: Learn/CSS/Building_blocks/Images_media_form_elements
+original_slug: Learn/CSS/Building_blocks/Imágenes_medios_y_elementos_de_formulario
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Sizing_items_in_CSS", "Learn/CSS/Building_blocks/Styling_tables", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/overflowing_content/index.html b/files/es/learn/css/building_blocks/overflowing_content/index.html
index 808a519c12..4c5b173d08 100644
--- a/files/es/learn/css/building_blocks/overflowing_content/index.html
+++ b/files/es/learn/css/building_blocks/overflowing_content/index.html
@@ -1,7 +1,8 @@
 ---
 title: Contenido desbordado
-slug: Learn/CSS/Building_blocks/Contenido_desbordado
+slug: Learn/CSS/Building_blocks/Overflowing_content
 translation_of: Learn/CSS/Building_blocks/Overflowing_content
+original_slug: Learn/CSS/Building_blocks/Contenido_desbordado
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Handling_different_text_directions", "Learn/CSS/Building_blocks/Values_and_units", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/selectors/attribute_selectors/index.html b/files/es/learn/css/building_blocks/selectors/attribute_selectors/index.html
index 057c38c18d..fc106ec303 100644
--- a/files/es/learn/css/building_blocks/selectors/attribute_selectors/index.html
+++ b/files/es/learn/css/building_blocks/selectors/attribute_selectors/index.html
@@ -1,7 +1,8 @@
 ---
 title: Selectores de atributo
-slug: Learn/CSS/Building_blocks/Selectores_CSS/Selectores_de_atributos
+slug: Learn/CSS/Building_blocks/Selectors/Attribute_selectors
 translation_of: Learn/CSS/Building_blocks/Selectors/Attribute_selectors
+original_slug: Learn/CSS/Building_blocks/Selectores_CSS/Selectores_de_atributos
 ---
 <p>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Selectors/Type_Class_and_ID_Selectors", "Learn/CSS/Building_blocks/Selectors/Pseudo-classes_and_pseudo-elements", "Learn/CSS/Building_blocks")}}</p>
 
diff --git a/files/es/learn/css/building_blocks/selectors/combinators/index.html b/files/es/learn/css/building_blocks/selectors/combinators/index.html
index 54f416456d..b6c2f0a5bf 100644
--- a/files/es/learn/css/building_blocks/selectors/combinators/index.html
+++ b/files/es/learn/css/building_blocks/selectors/combinators/index.html
@@ -1,7 +1,8 @@
 ---
 title: Combinadores
-slug: Learn/CSS/Building_blocks/Selectores_CSS/Combinadores
+slug: Learn/CSS/Building_blocks/Selectors/Combinators
 translation_of: Learn/CSS/Building_blocks/Selectors/Combinators
+original_slug: Learn/CSS/Building_blocks/Selectores_CSS/Combinadores
 ---
 <p>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Selectors/Pseudo-classes_and_pseudo-elements", "Learn/CSS/Building_blocks/The_box_model", "Learn/CSS/Building_blocks")}}</p>
 
diff --git a/files/es/learn/css/building_blocks/selectors/index.html b/files/es/learn/css/building_blocks/selectors/index.html
index d0ea61da20..4584bb30d3 100644
--- a/files/es/learn/css/building_blocks/selectors/index.html
+++ b/files/es/learn/css/building_blocks/selectors/index.html
@@ -1,7 +1,8 @@
 ---
 title: Selectores CSS
-slug: Learn/CSS/Building_blocks/Selectores_CSS
+slug: Learn/CSS/Building_blocks/Selectors
 translation_of: Learn/CSS/Building_blocks/Selectors
+original_slug: Learn/CSS/Building_blocks/Selectores_CSS
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Cascade_and_inheritance", "Learn/CSS/Building_blocks/Selectors/Type_Class_and_ID_Selectors", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/selectors/pseudo-classes_and_pseudo-elements/index.html b/files/es/learn/css/building_blocks/selectors/pseudo-classes_and_pseudo-elements/index.html
index f48dfdcbd5..6cba271113 100644
--- a/files/es/learn/css/building_blocks/selectors/pseudo-classes_and_pseudo-elements/index.html
+++ b/files/es/learn/css/building_blocks/selectors/pseudo-classes_and_pseudo-elements/index.html
@@ -1,7 +1,8 @@
 ---
 title: Pseudoclases y pseudoelementos
-slug: Learn/CSS/Building_blocks/Selectores_CSS/Pseudo-clases_y_pseudo-elementos
+slug: Learn/CSS/Building_blocks/Selectors/Pseudo-classes_and_pseudo-elements
 translation_of: Learn/CSS/Building_blocks/Selectors/Pseudo-classes_and_pseudo-elements
+original_slug: Learn/CSS/Building_blocks/Selectores_CSS/Pseudo-clases_y_pseudo-elementos
 ---
 <p>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Selectors/Attribute_selectors", "Learn/CSS/Building_blocks/Selectors/Combinators", "Learn/CSS/Building_blocks")}}</p>
 
diff --git a/files/es/learn/css/building_blocks/selectors/type_class_and_id_selectors/index.html b/files/es/learn/css/building_blocks/selectors/type_class_and_id_selectors/index.html
index 01b3963f8a..c4e6758ca2 100644
--- a/files/es/learn/css/building_blocks/selectors/type_class_and_id_selectors/index.html
+++ b/files/es/learn/css/building_blocks/selectors/type_class_and_id_selectors/index.html
@@ -1,7 +1,8 @@
 ---
-title: 'Selectores de tipo, clase e ID'
-slug: Learn/CSS/Building_blocks/Selectores_CSS/Selectores_de_tipo_clase_e_ID
+title: Selectores de tipo, clase e ID
+slug: Learn/CSS/Building_blocks/Selectors/Type_Class_and_ID_Selectors
 translation_of: Learn/CSS/Building_blocks/Selectors/Type_Class_and_ID_Selectors
+original_slug: Learn/CSS/Building_blocks/Selectores_CSS/Selectores_de_tipo_clase_e_ID
 ---
 <p>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Selectors", "Learn/CSS/Building_blocks/Selectors/Attribute_selectors", "Learn/CSS/Building_blocks")}}</p>
 
diff --git a/files/es/learn/css/building_blocks/sizing_items_in_css/index.html b/files/es/learn/css/building_blocks/sizing_items_in_css/index.html
index 81759abccc..4577a3a34a 100644
--- a/files/es/learn/css/building_blocks/sizing_items_in_css/index.html
+++ b/files/es/learn/css/building_blocks/sizing_items_in_css/index.html
@@ -1,7 +1,8 @@
 ---
 title: Dimensionar elementos en CSS
-slug: Learn/CSS/Building_blocks/Dimensionar_elementos_en_CSS
+slug: Learn/CSS/Building_blocks/Sizing_items_in_CSS
 translation_of: Learn/CSS/Building_blocks/Sizing_items_in_CSS
+original_slug: Learn/CSS/Building_blocks/Dimensionar_elementos_en_CSS
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Values_and_units", "Learn/CSS/Building_blocks/Images_media_form_elements", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/the_box_model/index.html b/files/es/learn/css/building_blocks/the_box_model/index.html
index dbc0d644f8..d0b81d69fe 100644
--- a/files/es/learn/css/building_blocks/the_box_model/index.html
+++ b/files/es/learn/css/building_blocks/the_box_model/index.html
@@ -1,7 +1,8 @@
 ---
 title: El modelo de caja
-slug: Learn/CSS/Building_blocks/El_modelo_de_caja
+slug: Learn/CSS/Building_blocks/The_box_model
 translation_of: Learn/CSS/Building_blocks/The_box_model
+original_slug: Learn/CSS/Building_blocks/El_modelo_de_caja
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Selectors/Combinators", "Learn/CSS/Building_blocks/Backgrounds_and_borders", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/building_blocks/values_and_units/index.html b/files/es/learn/css/building_blocks/values_and_units/index.html
index 4470746bc8..c72e131a90 100644
--- a/files/es/learn/css/building_blocks/values_and_units/index.html
+++ b/files/es/learn/css/building_blocks/values_and_units/index.html
@@ -1,7 +1,8 @@
 ---
 title: Valores y unidades CSS
-slug: Learn/CSS/Building_blocks/Valores_y_unidades_CSS
+slug: Learn/CSS/Building_blocks/Values_and_units
 translation_of: Learn/CSS/Building_blocks/Values_and_units
+original_slug: Learn/CSS/Building_blocks/Valores_y_unidades_CSS
 ---
 <div>{{LearnSidebar}}{{PreviousMenuNext("Learn/CSS/Building_blocks/Overflowing_content", "Learn/CSS/Building_blocks/Sizing_items_in_CSS", "Learn/CSS/Building_blocks")}}</div>
 
diff --git a/files/es/learn/css/css_layout/introduction/index.html b/files/es/learn/css/css_layout/introduction/index.html
index 2f409d97c3..769cd9da0f 100644
--- a/files/es/learn/css/css_layout/introduction/index.html
+++ b/files/es/learn/css/css_layout/introduction/index.html
@@ -1,7 +1,8 @@
 ---
 title: Introducción al diseño en CSS
-slug: Learn/CSS/CSS_layout/Introducción
+slug: Learn/CSS/CSS_layout/Introduction
 translation_of: Learn/CSS/CSS_layout/Introduction
+original_slug: Learn/CSS/CSS_layout/Introducción
 ---
 <div>{{LearnSidebar}}</div>
 
diff --git a/files/es/learn/css/css_layout/normal_flow/index.html b/files/es/learn/css/css_layout/normal_flow/index.html
index ffc873938f..6c528855af 100644
--- a/files/es/learn/css/css_layout/normal_flow/index.html
+++ b/files/es/learn/css/css_layout/normal_flow/index.html
@@ -1,7 +1,8 @@
 ---
 title: Flujo normal
-slug: Learn/CSS/CSS_layout/Flujo_normal
+slug: Learn/CSS/CSS_layout/Normal_Flow
 translation_of: Learn/CSS/CSS_layout/Normal_Flow
+original_slug: Learn/CSS/CSS_layout/Flujo_normal
 ---
 <div>{{LearnSidebar}}</div>
 
diff --git a/files/es/learn/css/css_layout/responsive_design/index.html b/files/es/learn/css/css_layout/responsive_design/index.html
index 4ddb7a94db..e1307d54a5 100644
--- a/files/es/learn/css/css_layout/responsive_design/index.html
+++ b/files/es/learn/css/css_layout/responsive_design/index.html
@@ -1,7 +1,8 @@
 ---
 title: Diseño receptivo
-slug: Learn/CSS/CSS_layout/Diseño_receptivo
+slug: Learn/CSS/CSS_layout/Responsive_Design
 translation_of: Learn/CSS/CSS_layout/Responsive_Design
+original_slug: Learn/CSS/CSS_layout/Diseño_receptivo
 ---
 <div>{{learnsidebar}}{{PreviousMenuNext("Learn/CSS/CSS_layout/Multiple-column_Layout", "Learn/CSS/CSS_layout/Media_queries", "Learn/CSS/CSS_layout")}}</div>
 
diff --git a/files/es/learn/css/css_layout/supporting_older_browsers/index.html b/files/es/learn/css/css_layout/supporting_older_browsers/index.html
index 18065a1da5..d709a628d5 100644
--- a/files/es/learn/css/css_layout/supporting_older_browsers/index.html
+++ b/files/es/learn/css/css_layout/supporting_older_browsers/index.html
@@ -1,7 +1,8 @@
 ---
 title: Soporte a navegadores antiguos
-slug: Learn/CSS/CSS_layout/Soporte_a_navegadores_antiguos
+slug: Learn/CSS/CSS_layout/Supporting_Older_Browsers
 translation_of: Learn/CSS/CSS_layout/Supporting_Older_Browsers
+original_slug: Learn/CSS/CSS_layout/Soporte_a_navegadores_antiguos
 ---
 <div>{{LearnSidebar}}</div>
 
diff --git a/files/es/learn/css/first_steps/getting_started/index.html b/files/es/learn/css/first_steps/getting_started/index.html
index 1da9edb582..0fc4331abe 100644
--- a/files/es/learn/css/first_steps/getting_started/index.html
+++ b/files/es/learn/css/first_steps/getting_started/index.html
@@ -1,6 +1,6 @@
 ---
 title: Empezar con CSS
-slug: Learn/CSS/First_steps/Comenzando_CSS
+slug: Learn/CSS/First_steps/Getting_started
 tags:
   - Aprender
   - CSS
@@ -12,6 +12,7 @@ tags:
   - Selectores
   - Sintaxis
 translation_of: Learn/CSS/First_steps/Getting_started
+original_slug: Learn/CSS/First_steps/Comenzando_CSS
 ---
 <div>{{LearnSidebar}}</div>
 
diff --git a/files/es/learn/css/first_steps/how_css_is_structured/index.html b/files/es/learn/css/first_steps/how_css_is_structured/index.html
index a3e9bb94b8..4021804ce5 100644
--- a/files/es/learn/css/first_steps/how_css_is_structured/index.html
+++ b/files/es/learn/css/first_steps/how_css_is_structured/index.html
@@ -1,7 +1,8 @@
 ---
 title: Cómo se estructura el CSS
-slug: Learn/CSS/First_steps/Como_se_estructura_CSS
+slug: Learn/CSS/First_steps/How_CSS_is_structured
 translation_of: Learn/CSS/First_steps/How_CSS_is_structured
+original_slug: Learn/CSS/First_steps/Como_se_estructura_CSS
 ---
 <div>{{LearnSidebar}}</div>
 
diff --git a/files/es/learn/css/first_steps/how_css_works/index.html b/files/es/learn/css/first_steps/how_css_works/index.html
index 920212e080..74c3e7fc06 100644
--- a/files/es/learn/css/first_steps/how_css_works/index.html
+++ b/files/es/learn/css/first_steps/how_css_works/index.html
@@ -1,7 +1,8 @@
 ---
 title: Cómo funciona CSS
-slug: Learn/CSS/First_steps/Como_funciona_CSS
+slug: Learn/CSS/First_steps/How_CSS_works
 translation_of: Learn/CSS/First_steps/How_CSS_works
+original_slug: Learn/CSS/First_steps/Como_funciona_CSS
 ---
 <p>{{LearnSidebar}}<br>
  {{PreviousMenuNext("Learn/CSS/First_steps/How_CSS_is_structured", "Learn/CSS/First_steps/Using_your_new_knowledge", "Learn/CSS/First_steps")}}</p>
diff --git a/files/es/learn/css/first_steps/using_your_new_knowledge/index.html b/files/es/learn/css/first_steps/using_your_new_knowledge/index.html
index bff4f103bf..2fe00e7ce9 100644
--- a/files/es/learn/css/first_steps/using_your_new_knowledge/index.html
+++ b/files/es/learn/css/first_steps/using_your_new_knowledge/index.html
@@ -1,11 +1,12 @@
 ---
 title: Usa tu nuevo conocimiento
-slug: Learn/CSS/First_steps/Usa_tu_nuevo_conocimiento
+slug: Learn/CSS/First_steps/Using_your_new_knowledge
 tags:
   - Aprendizaje
   - CSS
   - Principiante
 translation_of: Learn/CSS/First_steps/Using_your_new_knowledge
+original_slug: Learn/CSS/First_steps/Usa_tu_nuevo_conocimiento
 ---
 <p>{{LearnSidebar}}{{PreviousMenu("Learn/CSS/First_steps/How_CSS_works", "Learn/CSS/First_steps")}}</p>
 
diff --git a/files/es/learn/css/first_steps/what_is_css/index.html b/files/es/learn/css/first_steps/what_is_css/index.html
index eb4f8e8a8a..82908677ec 100644
--- a/files/es/learn/css/first_steps/what_is_css/index.html
+++ b/files/es/learn/css/first_steps/what_is_css/index.html
@@ -1,6 +1,6 @@
 ---
 title: ¿Qué es el CSS?
-slug: Learn/CSS/First_steps/Qué_es_CSS
+slug: Learn/CSS/First_steps/What_is_CSS
 tags:
   - Beginner
   - CSS
@@ -10,6 +10,7 @@ tags:
   - Specifications
   - Syntax
 translation_of: Learn/CSS/First_steps/What_is_CSS
+original_slug: Learn/CSS/First_steps/Qué_es_CSS
 ---
 <div>{{LearnSidebar}}</div>
 
diff --git a/files/es/learn/css/howto/css_faq/index.html b/files/es/learn/css/howto/css_faq/index.html
index 36c2fa1317..3037ac68c8 100644
--- a/files/es/learn/css/howto/css_faq/index.html
+++ b/files/es/learn/css/howto/css_faq/index.html
@@ -1,10 +1,11 @@
 ---
 title: Preguntas frecuentes sobre CSS
-slug: Web/CSS/Preguntas_frecuentes_sobre_CSS
+slug: Learn/CSS/Howto/CSS_FAQ
 tags:
   - CSS
   - Proyecto MDC
 translation_of: Learn/CSS/Howto/CSS_FAQ
+original_slug: Web/CSS/Preguntas_frecuentes_sobre_CSS
 ---
 <h4 id="My_CSS_is_valid.2C_but_not_correctly_rendered" name="My_CSS_is_valid.2C_but_not_correctly_rendered"><span class="goog-gtc-unit" id="goog-gtc-unit-2"><span class="goog-gtc-translatable goog-gtc-from-human" dir="ltr">Mi CSS es válida, pero no se representa correctamente</span></span></h4>
 <p><span class="goog-gtc-unit" id="goog-gtc-unit-3"><span class="goog-gtc-translatable goog-gtc-from-human" dir="ltr" style="">Los navegadores utilizan la declaración <code>DOCTYPE</code> para elegir entre mostrar el documento usando un modo que sea más compatible con los estándares de la Web o mostrarlo con los fallos de los navegadores antiguos.</span></span> <span class="goog-gtc-unit" id="goog-gtc-unit-4"><span class="goog-gtc-translatable goog-gtc-from-human" dir="ltr" style="">El uso de una declaración <code>DOCTYPE</code> correcta y moderna al inicio del código HTML mejorará el cumplimiento de los estándares del navegador.</span></span></p>
diff --git a/files/es/learn/css/howto/generated_content/index.html b/files/es/learn/css/howto/generated_content/index.html
index 605e87f9e2..232c1c6e4d 100644
--- a/files/es/learn/css/howto/generated_content/index.html
+++ b/files/es/learn/css/howto/generated_content/index.html
@@ -1,6 +1,6 @@
 ---
 title: Usando CSS para generar contenido
-slug: Learn/CSS/Sábercomo/Generated_content
+slug: Learn/CSS/Howto/Generated_content
 tags:
   - CSS
   - Fundamentos
@@ -9,6 +9,7 @@ tags:
   - Web
   - graficos
 translation_of: Learn/CSS/Howto/Generated_content
+original_slug: Learn/CSS/Sábercomo/Generated_content
 ---
 <p>{{ CSSTutorialTOC() }}</p>
 
diff --git a/files/es/learn/css/howto/index.html b/files/es/learn/css/howto/index.html
index ffff1653c0..c3669d187f 100644
--- a/files/es/learn/css/howto/index.html
+++ b/files/es/learn/css/howto/index.html
@@ -1,7 +1,8 @@
 ---
 title: Usa CSS para resolver problemas comunes
-slug: Learn/CSS/Sábercomo
+slug: Learn/CSS/Howto
 translation_of: Learn/CSS/Howto
+original_slug: Learn/CSS/Sábercomo
 ---
 <div>{{LearnSidebar}}</div>
 
diff --git a/files/es/learn/css/styling_text/web_fonts/index.html b/files/es/learn/css/styling_text/web_fonts/index.html
index 7bfa162217..880307b419 100644
--- a/files/es/learn/css/styling_text/web_fonts/index.html
+++ b/files/es/learn/css/styling_text/web_fonts/index.html
@@ -1,7 +1,8 @@
 ---
 title: Fuentes web
-slug: Learn/CSS/Styling_text/Fuentes_web
+slug: Learn/CSS/Styling_text/Web_fonts
 translation_of: Learn/CSS/Styling_text/Web_fonts
+original_slug: Learn/CSS/Styling_text/Fuentes_web
 ---
 <div>{{LearnSidebar}}</div>