Why Aren't Static Positioned Divs Aligning at the Parent's Top?

Question

Why Aren't Static Positioned Divs Aligning at the Parent's Top?

I am facing an issue where I have 3 divs with content inside them, and the two smaller ones are aligning at the bottom of the larger div.

Despite no presence of margin or padding, this alignment mystery has left me puzzled.

body {
  width: 100%
}
.container {
  margin: 0 auto;
  text-align: center;
}
.box {
  display: inline-block;
  width: 25%;
  height: 100%;
  border: 3px solid black;
  padding: 2%;
}

<div class="container">
  <div class="box blue">
    <h1>Box 1</h1>
    <p>Blub</p>
    <div class="remainder"></div>
  </div>
  <div class="box green">
    <h1>Box 2</h1>
    <p>I'm working on different ideas for 100% height without using Flexbox, Tables, or a set height on the parent container.</p>
    <hr />
    <p>That's not my question though, why are boxes 1 &amp; 2 floating so far down?</p>
  </div>
  <div class="box yellow">
    <h1>Box 3</h1>
    <p>Here's some more content</p>
    <div class="remainder"></div>
  </div>
</div>

html css

Answer 1

Answer №1

The reason for this behavior is due to the usage of the vertical-align property within the .box class being defined as bottom. By declaring elements as inline-block, it enables the vertical align property to impact their positioning.

Important to note: Although you didn't set the vertical align property explicitly, it is actually being inherited from another rule. Experiment by setting it directly in order to observe the variation in outcomes.

.box {
    vertical-align: top;
    /* ... */
}

Answer 2

The reason for this behavior is due to the usage of the vertical-align property within the .box class being defined as bottom. By declaring elements as inline-block, it enables the vertical align property to impact their positioning.

Important to note: Although you didn't set the vertical align property explicitly, it is actually being inherited from another rule. Experiment by setting it directly in order to observe the variation in outcomes.

.box {
    vertical-align: top;
    /* ... */
}

Answer 3

Answer №2

Inline-level elements determine their vertical alignment through the vertical-align property.

.box {
    vertical-align: /* value */;
}

Here are some examples:

vertical-align: top

body {
  width: 100%
}
.container {
  margin: 0 auto;
  text-align: center;
}
.box {
  display: inline-block;
  width: 25%;
  height: 100%;
  border: 3px solid black;
  padding: 2%;
  vertical-align: top;
}

<div class="container">
  <div class="box blue">
    <h1>Box 1</h1>
    <p>Blub</p>
    <div class="remainder"></div>
  </div>
  <div class="box green">
    <h1>Box 2</h1>
    <p>I'm working on different ideas for 100% height without using Flexbox, Tables, or a set height on the parent container.</p>
    <hr />
    <p>That's not my question though, why are boxes 1 &amp; 2 floating so far down?</p>
  </div>
  <div class="box yellow">
    <h1>Box 3</h1>
    <p>Here's some more content</p>
    <div class="remainder"></div>
  </div>
</div>

vertical-align: middle

body {
  width: 100%
}
.container {
  margin: 0 auto;
  text-align: center;
}
.box {
  display: inline-block;
  width: 25%;
  height: 100%;
  border: 3px solid black;
  padding: 2%;
  vertical-align: middle;
}

<div class="container">
  <div class="box blue">
    <h1>Box 1</h1>
    <p>Blub</p>
    <div class="remainder"></div>
  </div>
  <div class="box green">
    <h1>Box 2</h1>
    <p>I'm working on different ideas for 100% height without using Flexbox, Tables, or a set height on the parent container.</p>
    <hr />
    <p>That's not my question though, why are boxes 1 &amp; 2 floating so far down?</p>
  </div>
  <div class="box yellow">
    <h1>Box 3</h1>
    <p>Here's some more content</p>
    <div class="remainder"></div>
  </div>
</div>

vertical-align: bottom

body {
  width: 100%
}
.container {
  margin: 0 auto;
  text-align: center;
}
.box {
  display: inline-block;
  width: 25%;
  height: 100%;
  border: 3px solid black;
  padding: 2%;
  vertical-align: bottom;
}

<div class="container">
  <div class="box blue">
    <h1>Box 1</h1>
    <p>Blub</p>
    <div class="remainder"></div>
  </div>
  <div class="box green">
    <h1>Box 2</h1>
    <p>I'm working on different ideas for 100% height without using Flexbox, Tables, or a set height on the parent container.</p>
    <hr />
    <p>That's not my question though, why are boxes 1 &amp; 2 floating so far down?</p>
  </div>
  <div class="box yellow">
    <h1>Box 3</h1>
    <p>Here's some more content</p>
    <div class="remainder"></div>
  </div>
</div>

Answer 4

Inline-level elements determine their vertical alignment through the vertical-align property.

.box {
    vertical-align: /* value */;
}

Here are some examples:

vertical-align: top

body {
  width: 100%
}
.container {
  margin: 0 auto;
  text-align: center;
}
.box {
  display: inline-block;
  width: 25%;
  height: 100%;
  border: 3px solid black;
  padding: 2%;
  vertical-align: top;
}

<div class="container">
  <div class="box blue">
    <h1>Box 1</h1>
    <p>Blub</p>
    <div class="remainder"></div>
  </div>
  <div class="box green">
    <h1>Box 2</h1>
    <p>I'm working on different ideas for 100% height without using Flexbox, Tables, or a set height on the parent container.</p>
    <hr />
    <p>That's not my question though, why are boxes 1 &amp; 2 floating so far down?</p>
  </div>
  <div class="box yellow">
    <h1>Box 3</h1>
    <p>Here's some more content</p>
    <div class="remainder"></div>
  </div>
</div>

vertical-align: middle

body {
  width: 100%
}
.container {
  margin: 0 auto;
  text-align: center;
}
.box {
  display: inline-block;
  width: 25%;
  height: 100%;
  border: 3px solid black;
  padding: 2%;
  vertical-align: middle;
}

<div class="container">
  <div class="box blue">
    <h1>Box 1</h1>
    <p>Blub</p>
    <div class="remainder"></div>
  </div>
  <div class="box green">
    <h1>Box 2</h1>
    <p>I'm working on different ideas for 100% height without using Flexbox, Tables, or a set height on the parent container.</p>
    <hr />
    <p>That's not my question though, why are boxes 1 &amp; 2 floating so far down?</p>
  </div>
  <div class="box yellow">
    <h1>Box 3</h1>
    <p>Here's some more content</p>
    <div class="remainder"></div>
  </div>
</div>

vertical-align: bottom

body {
  width: 100%
}
.container {
  margin: 0 auto;
  text-align: center;
}
.box {
  display: inline-block;
  width: 25%;
  height: 100%;
  border: 3px solid black;
  padding: 2%;
  vertical-align: bottom;
}

<div class="container">
  <div class="box blue">
    <h1>Box 1</h1>
    <p>Blub</p>
    <div class="remainder"></div>
  </div>
  <div class="box green">
    <h1>Box 2</h1>
    <p>I'm working on different ideas for 100% height without using Flexbox, Tables, or a set height on the parent container.</p>
    <hr />
    <p>That's not my question though, why are boxes 1 &amp; 2 floating so far down?</p>
  </div>
  <div class="box yellow">
    <h1>Box 3</h1>
    <p>Here's some more content</p>
    <div class="remainder"></div>
  </div>
</div>

Why Aren't Static Positioned Divs Aligning at the Parent's Top?

Answer №1

Answer №2

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