Ionic Gridview column issue in mobile site

ionic-v1
1

I have an issue in mobile device while showing row column grid view in ionic. the column 33 is taking width:33.33%. the grid are wrapping are as:

<div class="row">
  <div class="col col-33"></div>
  <div class="col col-33"></div>
  <div class="col col-33"></div>
<div>

it takes more space on the right side. how i can get rid from that.??