html - Two rows in the single table row in specified columns - Stack Overflow
html - Using two tables to simulate a fixed header row, but header appears broken when scrolled left and right - Stack Overflow
How to merge table cells in HTML ? - GeeksforGeeks
Fixed headers in large HTML tables - CodeProject
Tables in HTML documents
css - Three-level table headers in HTML - Stack Overflow
HTML | DOM Table createTHead() Method - GeeksforGeeks
jQuery Plugin For Sticky Table Headers And Columns - RWD Freeze Table | Free jQuery Plugins
css - Html how to make a table with multiple headers? - Stack Overflow
HTML table on which one TH has 2 rows - Stack Overflow
css - Most common way of writing a HTML table with vertical headers? - Stack Overflow
jquery - Table sorting with two rows of Header - Stack Overflow
Tables in HTML documents
Accessible, Simple, Responsive Tables | CSS-Tricks - CSS-Tricks
Tables in HTML documents
Multiple header cells in a table support identification - ADG
How to create responsive tables with pure CSS using Grid Layout Module
Fixed Table Headers — Adrian Roselli
Table Heading Across Two or more columns in html - Lesson17 - YouTube
javascript - Scrolling a table with multiple fixed table headers - Stack Overflow
Space between two rows in a table using CSS? - GeeksforGeeks
HTML table basics - Learn web development | MDN
3. Inside table.html, create the following two | Chegg.com
