term aggreement code

  <div class="pull-left">
                <input type="checkbox" name="agree" id="agree" value="check"  onchange="document.getElementById('customify-addtocart').disabled = !this.checked;"> I have read and agree to the <a href="https://cucucovers.com/pages/customizer-copyright-declaration" target="_blank" class="agree"><b>Copyright Declaration</b></a>
              </div>

  <button type="submit" name="add" id="customify-addtocart" class="btn" disabled> <span id="AddToCartText">ADD TO CART</span> </button>