'<div class="{{CSS.CHARMAP}}">' +
'{{#each CHARMAP}}' +
'{{#if this.[2]}}' +
- '<button class="btn btn-default btn-sm {{../../CSS.BUTTON}}" ' +
+ '<button class="btn btn-secondary btn-sm {{../../CSS.BUTTON}}" ' +
'aria-label="{{get_string this.[3] ../../component}}" ' +
'title="{{get_string this.[3] ../../component}}" ' +
'data-character="{{this.[0]}}" ' +