JSFiddle - React, Tailwind, and code Playground

HTML

<INPUT TYPE="BUTTON" VALUE="Edit" class="styled-button-2" id="edit">
<INPUT TYPE="BUTTON" VALUE="Save" class="styled-button-2" id="save">

CSS

#save {
    visibility:hidden;
}

JavaScript

var edit = document.getElementById("edit");
var save = document.getElementById("save");

edit.onclick = function() {
    save.style.visibility = "visible";

}