jQuery Usage (edit)

• CSS ::before
• jQuery siblings
• jQuery find & clone

https://www.js-tutorials.com/bootstrap-tutorials/example-bootstrap-forms/ (Forms)

https://www.tutorialspoint.com/bootstrap/bootstrap_forms.htm (Mobile, Table, Desktop)

https://www.w3schools.com/Bootstrap/bootstrap_forms_inputs.asp (Forms Inputs)

https://www.w3schools.com/cssref/sel_before.asp (CSS ::before ::after)

https://www.designcise.com/web/tutorial/how-to-add-space-before-or-after-an-element-using-css-pseudo-elements

https://thachpham.com/web-development/javascript/dom-trong-javascript-can-ban.html

jQuery find & clone

https://hocwebchuan.com/reference/jquery/jquery_bind.php

https://o7planning.org/vi/10373/huong-dan-su-dung-jquery

https://www.masterfrontend.com/blogs/jquery/jquery-access

https://www.w3schools.com/jquery/traversing_find.asp

https://stackoverflow.com/questions/24300762/jquery-throws-an-error-that-element-find-is-not-a-function (find & clone)

https://www.geeksforgeeks.org/jquery-find-with-examples/

https://stackoverflow.com/questions/24300762/jquery-throws-an-error-that-element-find-is-not-a-function