How Can I Create CSS Borders That Only Appear on the Corners of an Element?

Creating Border Corners Using CSS

Question: Is it possible to create a border that appears only at the corners of an element?

Answer:

Yes, it is possible to achieve this effect using a combination of CSS techniques. Let's explore a less code-intensive solution:

img {
  --s: 50px; /* Size of the corner */

  padding: 20px; /* Gap between border and image */
  border: 5px solid #B38184; /* Thickness and color of the border */

  -webkit-mask:
    conic-gradient(at var(--s) var(--s), #0000 75%, #000 0)
    0 0/calc(100% - var(--s)) calc(100% - var(--s)),
    linear-gradient(#000 0 0) content-box;
}

This code uses a conic gradient to create the border effect around the corners. The value of --s determines the size of the corners. The padding property adds a gap between the border and the image.

For customization, you can adjust the size and color of the border as needed:

<img src="image1.png" alt="Image 1">

This code will create a larger border with a light brown color and a more rounded corner.

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