Element Size Rules por VilleKokkarinen
Create reusable per-site CSS rules with a visual element picker and parent/child selector controls.
Disponible en Firefox para Android™Disponible en Firefox para Android™
Scan the QR code to open this extension in Firefox for Android
Metadata de la extensión
Sobre esta extensión
Element Size Rules lets you customize the layout of websites with your own CSS. Create rulesets for specific sites or pages, choose elements with the visual picker, and adjust the selected element’s parent or child before saving.
- Match rulesets to pages using wildcard URL patterns.
- Add CSS manually or pick an element to create a selector.
- Edit, enable, disable, or delete rules and rulesets.
- Start with the included YouTube “4k” sample ruleset, and customize or remove it.
Rules are stored with Firefox Sync and may sync across devices when add-on syncing is enabled.
- Match rulesets to pages using wildcard URL patterns.
- Add CSS manually or pick an element to create a selector.
- Edit, enable, disable, or delete rules and rulesets.
- Start with the included YouTube “4k” sample ruleset, and customize or remove it.
Rules are stored with Firefox Sync and may sync across devices when add-on syncing is enabled.
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Permissions and data
Permisos requeridos:
- Acceder a las pestañas del navegador
- Acceder a tus datos para todos los sitios web
Permisos opcionales:
- Acceder a tus datos para todos los sitios web
Required data collection, according to the developer:
- Browsing activity
Más información
- Enlaces del complemento
- Versión
- 2.0.5
- Tamaño
- 42,23 KB
- Última actualización
- hace 7 días (24 de sep. de 2026)
- Categorías relacionadas
- Licencia
- MIT License
- Historial de versiones
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