JSFiddle - React, Tailwind, and code Playground

HTML

<div class="middle">
    The border will blur/unblur for padding of 1px/0px:<br />
    <input type="text" />
</div>

CSS

.middle {
    position: absolute;
    top: 50%;
    left: 50%;
    -webkit-transform: translateY(-50%) translateX(-50%);
    transform: translateY(-50%) translateX(-50%);
}

input {
    border: 1px solid black;
    border-radius: 4px;
}

JavaScript

var middle = document.querySelector('.middle');

// just rotate padding to demonstrate bug: 0px -> 1px -> 0px -> 1px
setInterval(function(){
    middle.style.paddingTop = middle.style.paddingTop === "0px" ? "1px" : "0px";
}, 1000);