What is the best way to vertically center a div that has a fixed position and a specific width in pixels

Is there a way to center a fixed position div with a specified width of 300px, rather than in percentage?

<div class="mainCont">
  <div class="childCont">
</div>

The childCont div has a fixed position and width of 300px. How can I ensure it is centered on the page?

Answer №1

To implement this styling, you can use the following CSS:

.childCont {
    left: 50%;
    position: fixed;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
}

Check out the demo on JSFiddle

Answer №2

Add this CSS code to your 'childCont' class:

.childCont {
    position: fixed;
    width: 300px;
    top: 50%;
    left: 50%;
    transform: translate3d(-50%,-50%, 0);
}

Answer №3

To position an element in the middle of the screen, you can apply top:50% and right: 50%

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