How to Create a Border Overlay for Child Divs with Pseudo Elements?

Creating a Border Overlay for Child Divs

Problem:

You need to design a border that overlays the content of a child div, similar to the image provided.

HTML and CSS Code:

<div class="box-border box-border-participe">
  <div class="box-participe">
    <a>Participe</a>
  </div>
</div>

.box-participe {
  background-color: #94C120;
  padding: 10px 40px;
}

Solution:

To achieve this using pseudo elements, you can create a border and avoid extra markup. You can also control its position and size effortlessly:

body {
  background: grey;
}

.button {
  background: #94c120;
  width: 200px;
  height: 50px;
  margin: 50px;
  position: relative;
}

.button:before {
  content: "";
  position: absolute;
  top: -15px;
  left: -15px;
  width: 100%;
  height: 100%;
  border: 5px solid #fff;
  box-sizing: border-box;
}

By using this method, you can easily create a stylish border overlay for your child divs, enhancing the visual appeal of your website.

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