Button text color in Extjs 4

Question

I'm using Exjts 4 and i want to change the button text color. Here is my code:

{
     xtype: 'button',
     text: 'My Button',
     style:{
         color: 'red'
     }  
}  

Answer 1

In case someone needs it. I do not know if it's a dirty solution but it works

{
 xtype: 'button',
 text: '<div style="color: red">My Button</div>',     
}