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How to Vertically Center a Div in CSS?

Patricia Arquette
Release: 2024-12-11 04:28:09
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How to Vertically Center a Div in CSS?

Vertically Centering a Div with margin:auto

While margin:O auto; horizontally centers a div, margin:auto auto; does not center it vertically. Unfortunately, vertical-align:middle; also doesn't work for block-level elements like divs.

Limitations:

  • vertical-align:middle;: Not applicable to block-level elements.
  • margin-top:auto and margin-bottom:auto: Computed values are zero.
  • margin-top:-50%;: Percentage-based margin values are based on the containing block's width.

Vertical Centering Workarounds:

Due to the nature of document flow and element height calculations, it's impossible to use margins for vertical centering within a parent element. These workarounds, however, can resolve the issue:

Nested Element Approach:

This requires nesting three elements as follows:

.container {
  display: table;
  height: 100%;
  position: absolute;
  overflow: hidden;
  width: 100%;
}

.helper {
  display: table-cell;
  vertical-align: middle;
  position: absolute;
  top: 50%;
}

.content {
  position: relative;
  top: -50%;
  margin: 0 auto;
  width: 200px;
  border: 1px solid orange;
}
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<div class="container">
  <div class="helper">
    <div class="content">
      <p>stuff</p>
    </div>
  </div>
</div>
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