HTML CSS examples for CSS Layout:Column Layout
draw a black line down the center of a column, over an image
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style id="compiled-css" type="text/css"> .verticalLine {<!-- www .jav a 2 s .c o m--> position: relative; float: center; height: 100%; width: 1px; background: #000; z-index: 9999; } td { height: 50px; } </style> </head> <body> <table> <tbody> <tr> <td align="center" valign="center"> <div class="verticalLine" id="verticalLine"></div> <img src="https://www.java2s.com/style/demo/InternetExplorer.png"> </td> </tr> </tbody> </table> </body> </html>