Is there an optimal technique to center content vertically within a defined width/height div?
In this illustration, two contents with varying heights are present. What would be the most effective way to vertically center both using the .content class? (Ensuring compatibility across all browsers without utilizing table-cell solutions)
While some methods like
position:absolute; top:0; bottom: 0;margin auto come to mind, I am curious about alternative approaches.
After conducting some research, it appears that there are four options available to you:
If you are comfortable utilizing display:table-cell on your parent div, here is one way to achieve the desired effect:
.area{
height: 100px;
width: 100px;
background: red;
margin:10px;
text-align: center;
display:table-cell;
vertical-align:middle;
}
.area{
height: 100px;
width: 100px;
background: red;
margin:10px;
text-align: center;
display:block;
}
.content {
height: 100px;
width: 100px;
display:table-cell;
vertical-align:middle;
}
.area{
background: red;
margin:10px;
text-align: center;
display:block;
float: left;
}
.content {
display:table-cell;
vertical-align:middle;
height: 100px;
width: 100px;
}
This option may require custom styling for each specific implementation. The content div needs a set height to accommodate the text, and the margin-top is calculated based on this height. You can adjust the height percentage of the content div and multiply it by -0.5 to determine the margin-top value for different scenarios manually.
.area{
position:relative;
display:block;
height:100px;
width:100px;
border:1px solid black;
background:red;
margin:10px;
}
.content {
position:absolute;
top:50%;
height:50%;
width:100px;
margin-top:-25%;
text-align:center;
}
An alternative approach would be to utilize the display: flex property in just a few lines of code. See below for an illustration:
.box {
width: 100px;
height: 100px;
display: flex;
align-items: center;
}
I stumbled upon this clever solution in an informative article
.parent-element {
-webkit-transform-style: preserve-3d;
-moz-transform-style: preserve-3d;
transform-style: preserve-3d;
}
.element {
position: relative;
top: 50%;
transform: translateY(-50%);
}
It works like a charm, especially when the height of the element is not fixed.
If you're looking to center the content of a div vertically, one simple trick is to match the line height with the height of the div:
<div>this is some line of text!</div>
div {
width: 400px
height: 50px;
line-height: 50px;
}
However, this method only works effectively for single lines of text.
A more reliable approach involves using a div as a container paired with a span element inside:
.cont {
width: 100px;
height: 30px;
display: table;
}
.val {
display: table-cell;
vertical-align: middle;
}
<div class="cont">
<span class="val">CZECH REPUBLIC, 24532 PRAGUE, Sesame Street 123</span>
</div>
To enhance your content, consider inserting a paragraph that includes a period within it and format it in the following way:
<p class="center">.</p>
<style>
.center {font-size: 0px; margin-bottom: anyPercentage%;}
</style>
Adjusting the percentages may be necessary to achieve the desired look
spacing: all_four_spacing
when you assign 50% to all_four_spacing, the element will be centered
style="margin: 50%"
this technique can also be used for the following:
spacing: top right bottom left
spacing: top right&left bottom
spacing: top&bottom right&left
by adjusting the percentage accordingly, we can position the element as needed.
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