To set the inward offsets of the image border, use the borderImageSlice property in JavaScript.
Example
You can try to run the following code to learn how to implement borderImageSlice property.
<!DOCTYPE html>
<html>
<head>
<style>
div {
background-color:blue;
border: 40px dashed;
border-image: url('https://www.tutorialspoint.com/images/neo4j.png');
border-image-slice: 50;
border-image-width: 0 1 1 1;
border-image-outset: 0;
border-image-repeat: round;
}
</style>
</head>
<body>
<div id="box">
<p>Demo Text!</p>
</div>
<button onclick="display()">Set Inward Offsets</button>
<script>
function display() {
document.getElementById("box").style.borderImageSlice = "20% 20%";
}
</script>
</body>
</html>