Tips for maintaining a consistent paragraph height even in the absence of text

I am facing an issue with two skinny boxes in the code below. Each box contains a paragraph as a child element. The first paragraph has text while the second one does not. The problem arises when the text is removed, causing the paragraph to lose its height. I want to find a way to maintain the height of the second paragraph even without any text present.

Is there a way to retain the height of the second paragraph as if it had one line of text? (assuming font-size is defined) Can this be achieved using CSS?

.drunk-container {
   display: flex;
}

.skinny-box {
  height: 70px;
  width: 300px;
  outline: 1px solid blue;
  
  padding: 10px;
  box-sizing: border-box;
}

p {
  font-size: 1.2rem;
  color: green;
  outline: 1px solid red;
}
<div class="drunk-container">

  <div class="skinny-box">
    <p>Some text ... </p>
  </div>

  <div class="skinny-box">
    <p></p>
  </div>
  
</div>

htmlcss

Answer №1

Include an empty element within if it's void. Compatible with all font sizes

.drunk-container {
   display: flex;
  font-size: 1.2rem;
}

.skinny-box {
  width: 300px;
  outline: 1px solid blue;
  
  padding: 10px;
  box-sizing: border-box;
}

p {
  color: green;
  outline: 1px solid red;
}

p:empty::before {
  content:"";
  display:inline-block;
}
<div class="drunk-container">

  <div class="skinny-box">
    <p>Some text ... </p>
  </div>

  <div class="skinny-box">
    <p></p>
  </div>
  
</div>

<div class="drunk-container" style="font-size:2rem;">

  <div class="skinny-box">
    <p>Some text ... </p>
  </div>

  <div class="skinny-box">
    <p></p>
  </div>
  
</div>

Alternatively, you can use the following code for comprehensive support (even for multiple lines)

.drunk-container {
   display: flex;
  font-size: 1.2rem;
}

.skinny-box {
  width: 300px;
  outline: 1px solid blue;
  display:flex; /* here */
  padding: 10px;
  box-sizing: border-box;
}

p {
  color: green;
  flex-grow:1; /* and here */
  outline: 1px solid red;
}
<div class="drunk-container">

  <div class="skinny-box">
    <p>Some text ... </p>
  </div>

  <div class="skinny-box">
    <p></p>
  </div>
  
</div>

<div class="drunk-container" style="font-size:2rem;">

  <div class="skinny-box">
    <p>Some text ... </p>
  </div>

  <div class="skinny-box">
    <p></p>
  </div>
  
</div>

<div class="drunk-container" style="font-size:2rem;">

  <div class="skinny-box">
    <p>Some<br> text ... </p>
  </div>

  <div class="skinny-box">
    <p></p>
  </div>
  
</div>

Answer №2

One method to achieve this is by setting a min-height for the <p> element like below:

p {
    min-height: 22px;
}


.drunk-container {
   display: flex;
}

.skinny-box {
  height: 70px;
  width: 300px;
  outline: 1px solid blue;
  
  padding: 10px;
  box-sizing: border-box;
}

p {
  font-size: 1.2rem;
  color: green;
  min-height: 22px;
  outline: 1px solid red;
}
<div class="drunk-container">

  <div class="skinny-box">
    <p>Some text ... </p>
  </div>

  <div class="skinny-box">
    <p></p>
  </div>
  
</div>

To handle multi-line <p> elements, utilizing JavaScript can be beneficial:

const p1 = document.getElementById('p1');
const p2 = document.getElementById('p2');
p2.style.minHeight = p1.clientHeight + 'px';
.drunk-container {
   display: flex;
}

.skinny-box {
  height: 150px;
  width: 300px;
  outline: 1px solid blue;
  
  padding: 10px;
  box-sizing: border-box;
}

p {
  font-size: 1.2rem;
  color: green;
  outline: 1px solid red;
}
<div class="drunk-container">

  <div class="skinny-box">
    <p id='p1'>Some<br>mutliline<br>text</p>
  </div>

  <div class="skinny-box">
    <p id='p2'></p>
  </div>
  
</div>

Answer №3

Could you please review the code snippet below? It should work for your needs. You just need to include min-height: calc(100% - 30px); in the p tag, where the value of 30px depends on the total margin of the p tag.

For more information, you can visit this link: https://jsfiddle.net/yudizsolutions/qax3egj5/2/

.drunk-container {
   display: flex;
}

.skinny-box {
  height: 70px;
  width: 300px;
  outline: 1px solid blue;
  
  padding: 10px;
  box-sizing: border-box;
}

p {
  font-size: 1.2rem;
  color: green;
  outline: 1px solid red;
  margin: 15px 0;
  min-height: calc(100% - 30px);
}
<div class="drunk-container">

  <div class="skinny-box">
    <p>Some text ... </p>
  </div>

  <div class="skinny-box">
    <p></p>
  </div>
  
</div>

Answer №4

To add a minimum height to your paragraph using CSS, you can simply include the following code snippet: min-height: 21px;. Take a look at the example below and see if it resolves your issue.

.container {
   display: flex;
}

.box {
  height: 70px;
  width: 300px;
  outline: 1px solid blue;
  
  padding: 10px;
  box-sizing: border-box;
}

p {
  font-size: 1.2rem;
  color: green;
  outline: 1px solid red;
  min-height: 21px;
}
<div class="container">

  <div class="box">
    <p>Lorem ipsum...</p>
  </div>

  <div class="box">
    <p></p>
  </div>
  
</div>

Answer №5

Why not try incorporating placeholder text into the second paragraph and matching its color to blend in with the background?

.creative-box {
   display: flex;
}

.slim-container {
  height: 70px;
  width: 300px;
  outline: 1px solid blue;
  
  padding: 10px;
  box-sizing: border-box;
}

p {
  font-size: 1.2rem;
  color: green;
  outline: 1px solid red;
}
<div class="creative-box">

  <div class="slim-container">
    <p>Some creative content...</p>
  </div>

  <div class="slim-container">
    <p style="color: white;">!</p>
  </div>
  
</div>

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