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Center align content vertically and horizontally in CSS

April 07, 2019 • 🍿 1 min read • Edit this post on Github
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Center aligning content vertically and horizontally are usual requirement in any website. There are several ways to achieve it using CSS.

  • using CSS transform
  • using flexbox

CSS transform

.content {
  position: relative;
  top: 50%;
  left: 50%;
  // shifts or translate the center point (X, Y) by (X - 50% of outerWidth, Y - 50% of outerHeight)
  transform: translate(-50%, -50%);


  • It works very well for centering content block with fixed width in both directions ✅
  • For non fixed width, the content block assumes 100% of parent’s width. It expands the whole width of parent container horizontally. You can check this by removing width for content in codepen example ❌
  • this technique won’t work if the content is inline level element, it only works for block level elements ❌

Modern flexbox way

.parent {
  display: flex;
  // centering along main axis - X axis - Horizontal
  justify-content: center;
  // centering along cross axis - Y axis - Vertical
  align-items: center;

Note: main and cross axis depends on flex-direction property. By default flex-direction is row. If it is set as column, then main axis is Y and cross axis is X.

This approach works on almost every use cases perfectly

  • fixed width of content block ✅
  • non fixed width of content block ✅
  • content can be inline level element or block level element ✅

Flexbox is so powerful and you can easily develop more styles and components using it. Its supported on all major browsers, no excuse to not using it 😊

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