Let’s say we want the first column to be 40% of the table and the two remaning columns to be 30% (as 40% + 30% +30% = 100%). You can try to run the following code to set height and width to a table cell in HTML. Since cells are displayed in a grid-like pattern then the cell containing the most content will typically set the width and height of all cells adjacent to it and hence establish the width and height of related rows and columns in your table. This article will show the code needed to make an HTML table fit the screen by setting the width. Very simple! HTML alignment tricks are very simple once you get the hang of them. If you set both to "100%", the image will be stretched. Now that you we have used all the right semantics you might want to change the width of each column – as of right now, each column is 33% wide. Adjusting Table Column Width. Though if the table is left responsive and sized too small this 'width' might be ignored (use min/max-width via class or such then). If not defined, the width will auto expand to fit its contents. What do we need to do so the table will automatically adjust its width to display all of its columns? In order to do this, we use the element. While auto-fill fills the row with as many columns as it can, even if those columns are empty, auto-fit behaves a little differently. Home; HTML / CSS; CSS; CSS Controls ... Microsoft Attributes; Object; Reference; Style Basics; Tags; Templates; XML; table auto width and height : table size « Tags « HTML / CSS. Definition and Usage. If the col tag is written in the HTML document for the first time and its attributes are set, those all property refers to the first column of each row of the table inside which it is mentioned. Web browsers will automatically set the dimensions of the rows and columns in your web page table according to how much content your table cells contain. Use the CSS property width and height to set the width and height of the cell respectively. The default used Unit is ‘px’, use widthUnit to change it! Example: Column Width. Just keep in mind, the usage of style attribute overrides any style set globally. HTML tables can be puzzling for an HTML newbie. The column-width property specifies the column width.. By default, a browser will adjust table columns to fit the contents of the table. It will override any style set in the HTML