w3schools.com. Active 8 years ago. While using W3Schools, you agree to have read and accepted our, Specifies a group of one or more columns in a table for formatting, Specifies column properties for each column within a element. Those three elements, table, tr, and td, are the basic building blocks of HTML tables. In HTML   = space, = tab. Each table data/cell is defined with When a radio is selected, their curious tab content neighbors show up. If you want to highlight the current tab/page the user is on, use JavaScript and add a specific color class to the current tab link. Table In HTML and CSS | How To Create A Table| Learn HTML and CSS | HTML Tutorial | CSS Tutorial. Canvas. Changing this value allows inserting the needed amount of space on one tab character. In HTML, the tab character is usually displayed as a single space-character, except for some elements, like