What causes the width of bootstrap column content to not expand?

It seems like I'm overlooking something really basic here. The reason for my current predicament may be more complex, but let's simplify things. Take a look at this straightforward template using bootstrap classes:

<div class="wrapper">
  <div class="row">
    <div class="col-6">
      <div class="text">
         Lorem ipsum dolor sit amet consectetur adipisicing elit. 
         Quo quia fugiat labore atque. Voluptate accusamus quod qui voluptatem nisi nulla.</div>
    </div>
    <div class="col-6"></div>
  </div>
</div>
html {
  height: 100%;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100vw;
  background: #333;
}

.wrapper {
  padding: 20px;
  background: #fff;
}

.text {
  width: 250px;
  background: #000;
  color: #fff;
}

[class^='col'] {
  border: 3px solid red;
}

Codepen

Why isn't the .col-6 with text expanding to a minimum width of 250px as stated in the CSS rule?

How can it be made to stretch as intended?

UPDATE:: In essence, when there is long text, it expands the .text element which then enlarges .col-6 accordingly. Setting an explicit width of 250px on .text enlarges that element but doesn't affect .col-6. The max-width: 50% property on col-6 limits the width in the "250px width case". But why is that happening?

Answer №1

If your issue resembles the snippet provided below, then everything is functioning correctly.
.col-6 specifies width: 50%; flex: 0 0 auto;. The key aspect here is the 0 0 in the flex: property. This essentially prevents the element from expanding (first 0) or shrinking (second 0), ensuring that it maintains a width of 50% regardless of its content. You can find a more detailed explanation of this behavior here.

p.s.
I am assuming that you are utilizing bootstrap 5
In bootstrap 4, the .col-6 has max-width: 50%;flex: 0 0 50%, which functions similarly and produces the same result.

.wrapper {
  padding: 20px;
  background: #fff;
  max-width: 300px;
}

.text {
  width: 250px;
  background: #000;
  color: #fff;
}

[class^='col'] {
  border: 3px solid red;
}
<link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="5d3f3232292e292f3c2d1d68736d736c">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous">
<script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="77151818030403051607374259475946">[email protected]</a>/dist/js/bootstrap.bundle.min.js" integrity="sha384-gtEjrD/SeCtmISkJkNUaaKMoLD0//ElJ19smozuHV6z3Iehds+3Ulb9Bn9Plx0x4" crossorigin="anonymous"></script>

<div class="wrapper">
  <div class="row">
    <div class="col-6">
      <div class="text">
        Lorem ipsum dolor sit amet consectetur adipisicing elit. 
        Quo quia fugiat labore atque. Voluptate accusamus quod qui voluptatem nisi nulla.
      </div>
    </div>
    <div class="col-6"></div>
  </div>
</div>

Answer №2

The behavior described is centered around cycling width calculations. To illustrate this point more clearly, I have simplified it with an example. For further details, visit: Understanding the issue of overflowing inner flex width

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