How to Vertically Align an HTML Element Inside a Div with Changing Height

Similar Question:
Issue with vertical alignment

Is there a way to ensure that the <a></a> is always vertically centered within this div, regardless of its size?

View example here

Thank you!

Answer №1

To achieve a centered layout using the display:table and display:table-cell properties, which are supported by all modern browsers including IE 8 and above:

.content {
    width: 200px;
    height: 200px;
    background: rgba(0,0,0,0.8);
    display: table;
}

.content h2 {
    text-align: center;
    width: 100%;
    height: 100%;
    display: table-cell;
    vertical-align: middle;
}

.content h2 a {
    color: #f7f7f7;
    font-size: 2.2em;
    font-weight: normal;
    font-style: italic;
    width: 100%;
}

Answer №2

I decided to try a different approach just for fun, and surprisingly it worked! Check out the code on jsFiddle.

The trick involves using a :before pseudo-element with 50% height.

html, body{
 height:100%;
}

.post {
    width: 400px;
    height: 300px;
    background: rgba(0,0,0,0.8);
}

.post h2:before{
   content:"";
   display:block;
   height:50%;
}

.post h2 {   
    text-align:center;   
    height:100%; 
}

.post h2 a {
    color: #f7f7f7;
    font-size: 2.2em;
    margin-top:-20px;
    display: block;
}

I hope this alternative method helps you achieve your goal!

Answer №3

To ensure your link is vertically aligned in the middle, give it a line-height that is larger than the text itself. Then, position its parent absolutely within the div by setting top: 50% and adjusting the margin top to offset half of the link's line-height:

Check out the example on jsFiddle

.post {
    position: relative;
}
.post h2 {
    text-align: center;
    width: 100%;
    position: absolute;
    top: 50%;
    margin-top: -150px;
}
.post h2 a {
    vertical-align: middle;
    line-height: 300px;
    white-space: nowrap;
}

This method even works smoothly in IE7.

Answer №4

[UPDATED]

You could try a different approach by visiting this jsFiddle link for reference.

.post {
    width: 400px;
    height: 200px;
    background: rgba(0,0,0,0.8);
    position:relative;    
}

.post h2 {
    position:absolute;
    top:50%;
    width:100%;
    text-align:center;

}

.post h2 a {
    line-height:100%;
    color: #f7f7f7;
    font-size: 2.2em;
    margin-top:-20px;
    display: block;
}

Answer №5

To easily align content vertically in HTML, you can add an extra HTML class and use the vertical-align: middle property.

Check out this JSFiddle link for a demonstration

<div class="post">
    <span></span><h2><a href="#">Hello!</a></h2>
</div>

Here is the CSS code:

* { margin: 0; padding: 0; }

.post {
    background: rgba(0,0,0,0.8);
    width: 200px;
    height: 200px; }

.post span {
    height: 100%;
    vertical-align: middle;
    display: inline-block; }

.post h2 {
    position: relative;
    text-align: center;
    width: 100%;
    vertical-align: middle;
    display: inline-block; }

.post h2 a {
    color: #f7f7f7;
    font-size: 2.2em;
    font-weight: normal;
    font-style: italic;
    display: block; }

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