Responsive Modal Image Gallery using HTML and CSS
Step 0: First of all create an html document by using any text editor and copy the below code and place it inside the body tag of the html document.
Step 1: After copying the html code now we have to style the html web page. For that purpose copy and paste the below code in the same html document inside the header tag. If you don't want to keep the css code in the same html document you can create an external css file and link it with this html web page.