input, nav, .card-nest, .card, div.inner.shadow-md, textarea, .card-nest.w-full.shadow, .profile_social {
border: sizepx solid;
border-image: url(image link here) 30% round;
}
The text in italics at the top are the selectors for different elements on Neospring. You can change these, here's a list of all of them.