title: How to make bigger icons in bottom tab bar in sencha?
body: <p>In my application, i added a bottom tab bar with home icon and feedback icon using iconCls. But as i am developing for android tablet, it is coming very small. How can i make those icon big? and how to align properly?? means one icon in left, another in middle and another in right..</p>
  
  <p>Thanks in advance..</p>