[React Native] Styling

foo.js

// ways
<Text style={styles.paragraph} />
<Text style={{ fontSize: 16 }} />
<Text style={[styles.paragraph, { color: 'red' }]} />

// dynamic
// Applies the `selected` style on top of the `paragraph` style if props.isActive is truthy
 
function Item(props) {
    return (
      <Text style={[styles.paragraph, props.isActive && styles.selected]} />
    );
  }