animated-checkbox.hbs

{{input type="checkbox" checked=value name="onoffswitch" class="onoffswitch-checkbox"}}
<label class="onoffswitch-label" for="myonoffswitch">
  <div class="onoffswitch-inner"></div>
  <div class="onoffswitch-switch"></div>
</label>

animated-checkbox.js

export default Ember.Component.extend({
  classNames: 'onoffswitch',
  didInsertElement: function() {
    return this.$switch = this.$('.onoffswitch-checkbox');
  },
  click: function() {
    return this.$switch.prop('checked', !this.$switch.prop('checked')).change();
  }
});

animated-checkbox.scss

.onoffswitch {
    position: relative; width: 60px;
    -webkit-user-select:none; -moz-user-select:none; -ms-user-select: none;
}

.onoffswitch-checkbox {
    display: none;
}

.onoffswitch-label {
    -webkit-transform: translateZ(0);
    display: block; overflow: hidden; cursor: pointer;
    border: 2px solid #FFFFFF; border-radius: 50px;
}

.onoffswitch-inner {
    width: 200%; margin-left: -100%;
    -webkit-transition: margin 0.15s ease-in 0s;
    transition: margin 0.15s ease-in 0s;
}

.onoffswitch-inner:before, .onoffswitch-inner:after {
    float: left; width: 50%; height: 32px; padding: 0; line-height: 32px;
    font-size: 14px; color: white; font-family: Trebuchet, Arial, sans-serif; font-weight: bold;
    -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box;
}

.onoffswitch-inner:before {
    content: "";
    padding-left: 15px;
    background-color: #F05937; color: #FFFFFF;
}

.onoffswitch-inner:after {
    content: "";
    padding-right: 15px;
    background-color: #D4D8D9; color: #666666;
    text-align: right;
}

.onoffswitch-switch {
    width: 26px; margin: 4px;
    background: #FFFFFF;
    border: 2px solid #FFFFFF; border-radius: 50px;
    position: absolute; top: 0; bottom: 0; right: 24px;
    -webkit-transition: all 0.15s ease-in 0s;
    transition: all 0.15s ease-in 0s; 

    -webkit-box-shadow: 0px 0px 4px 0px rgba(0,0,0,0.35), 0px 3px 2px 0px rgba(0,0,0,0.10);
    box-shadow:         0px 0px 4px 0px rgba(0,0,0,0.35), 0px 3px 2px 0px rgba(0,0,0,0.10);
}

.onoffswitch-checkbox:checked + .onoffswitch-label .onoffswitch-inner {
    margin-left: 0;
}

.onoffswitch-checkbox:checked + .onoffswitch-label .onoffswitch-switch {
    right: 0px; 
}