Hello. 1. How to remove known text from the page source code in the tags? For example:   <span Text </span> or   <div 123 </div> 2. And how do I delete this link below from the source code of the page:   <div class="p" id="1234567890ABCDE" style="margin-bottom:20px; display:none"> -If in this part code has this text - "display: none" ?   In the Firefox or IE i can manually find the text/element and remove it from the page's source code, but i need learn how