Wich set is "ion-ios-refresh-empty" belongs
As one of the classical v. 2.1 or 2.0 icon set added transportation template is icon become too small.
1st line oroginal wich works well.
The icon become very tiny when i chnge to the second line.
<!--<div class="circle_callouts"><span class="ion-ios-refresh-empty"></span></div> -->
<div class="circle_callouts"><span class="ion-android-arrow-down"></span></div>