Trying to perfectly center an image inside a div both vertically and horizontally using the display inline-block property.
HTML
<div class="center-wrapper">
<div class="image-holder">
<img src="picture.jpeg" alt="Centered Image">
</div>
</div>
CSS
.image-holder {
display: inline-block;
width: 100px;
height: 100px;
border: 1px solid #ccc;
margin-left: auto;
margin-right: auto;
}
This technique is ideal for effortlessly centering dynamic content with unknown dimensions.
Here, we utilize vertical-align:middle to vertically center elements, and text-align:center for horizontal centering. To make vertical-align:middle function within a div, the parent elements must be set as display:table, while the targeted child div should have display:table-cell. While you could use absolute positioning for centering, it would require knowledge of the element's dimensions. This method ensures proper alignment even with unknown dimensions.
HTML
<div class="container">
<div class="box">
<img src="http://placehold.it/200x200">
</div>
</div>
CSS
html, body {
height:100%;
width:100%;
margin:0px;
}
.container {
display:table;
vertical-align:middle;
text-align:center;
height:100%;
width:100%;
}
.box {
display:table-cell;
vertical-align:middle;
}
When aligning elements horizontally, you can use the following CSS:
.box {
display: inline-block;
width: 32px;
height: 32px;
border: 1px solid #f2f2f2;
margin:auto;
text-align:center;
}
For vertical alignment, one way is to apply the following CSS properties:
#content {position:absolute; top:50%; height:240px; margin-top:-120px; /* negative half of the height */}
For more information on vertical centering using CSS, check out this resource:
If you want to display an image in a table, you can follow this example:
<table class="image-table">
<tr class="image-row">
<td class="img-cell"><img src="example.jpg"></td>
</tr>
</table>
To style the image in the table, add the following CSS:
.img-cell {
vertical-align: middle;
text-align: center;
}
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