[android-components](../../../index.md) / [mozilla.components.feature.readerview](../../index.md) / [ReaderViewFeature](../index.md) / [Config](index.md) / [FONT_SIZE_KEY](./-f-o-n-t_-s-i-z-e_-k-e-y.md)

# FONT_SIZE_KEY

`const val FONT_SIZE_KEY: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/feature/readerview/src/main/java/mozilla/components/feature/readerview/ReaderViewFeature.kt#L73)