I have the following code . The problem is that I am not succeeding in making the button size equal to the background image size. The size of the background image is 60×60 pixels. How should I code this?
<tr>
<td><button style="width: 60px; height: 60px;"><img src="darkSquare.jpg" /></button></td>
<td><button style="width: 60px; height: 60px;"><img src="lightSquare.jpg" /></button></td>
<td><button><img src="darkSquare.jpg" /></button></td>
<td><button><img src="lightSquare.jpg" /></button></td>
<td><button><img src="darkSquare.jpg" /></button></td>
<td><button><img src="lightSquare.jpg" /></button></td>
<td><button><img src="darkSquare.jpg" /></button></td>
<td><button><img src="lightSquare.jpg" /></button></td>
</tr>
<tr>
<td><button><img src="darkSquare.jpg" /></button></td>
<td><button><img src="lightSquare.jpg" /></button></td>
<td><button><img src="darkSquare.jpg" /></button></td>
<td><button><img src="lightSquare.jpg" /></button></td>
<td><button><img src="darkSquare.jpg" /></button></td>
<td><button><img src="lightSquare.jpg" /></button></td>
<td><button><img src="darkSquare.jpg" /></button></td>
<td><button><img src="lightSquare.jpg" /></button></td>
</tr>
I am getting the following output-

Try, in CSS,
That should do it, for all buttons.