copay/public/views/preferencesBwsUrl.html

<div class="preferences m20t columns" ng-controller="preferencesBwsUrlController as prefBwsUrl">
  <form name="settingsBwsUrlForm" ng-submit="prefBwsUrl.save()" class="m20t">
    <label translate>Bitcore Wallet Service URL</label>
    <input type="text" id="bwsurl" type="text" name="bwsurl" ng-model="prefBwsUrl.bwsurl">
    <input type="submit" class="button expand black radius" value="{{'Save'|translate}}" 
    ng-style="{'background-color':index.backgroundColor}">
  </form>
</div>
<div class="extra-margin-bottom"></div>