JSFiddle - React, Tailwind, and code Playground

HTML

<div contenteditable="true" class="editor">
    <p>This is the first paragraph.</p>
    <p>&larr;Place your cursor here and press backspace. <span class="widget" contenteditable="false">widget</span> Text after widget</p> 
</div>

CSS

.widget{
    display: inline-block;
    padding: 5px;
    background-color: gray;
}

.editor{
    font: 20px Trebuchet MS
}