ui-grid symbols issue

Question

I am using AngularJs ui-grid http://ui-grid.info/.

While implementing, I get something which you can see in the following img in right corner of the cell instead of

Answer 1

Another way to solve the issue is modify the CSS class as follows

.ui-grid-icon-down-dir:before {
  content: '\25bc';
}
.ui-grid-icon-up-dir:before {
  content: '\25b2';
}

.ui-grid-selection-row-header-buttons.ui-grid-row-selected:before{
    content:'\2714' !important;
}
.ui-grid-all-selected:before{
    content:'\2714' !important;
}