Why are my divs not aligning horizontally and how can I fix it?

Horizontal Alignment of Divs

For some reason, divs are not always aligned horizontally within their container divs, leaving a visually undesirable gap. This issue can arise when using float to position child divs. Consider the following:

<code class="css">.row {
  width: 100%;
  margin: 0 auto;
}

.block {
  width: 100px;
  float: left;
}</code>

This code aims to position child divs horizontally within the row div. However, sometimes there will be a row with only one child div, resulting in a gap.

To rectify this, an alternative approach is to utilize display: inline-block instead of float. This allows you to achieve horizontal alignment while also maintaining block-like properties, including width and height. Here's the modified CSS:

<code class="css">.block {
  width: 100px;
  display: inline-block;
}</code>

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