<!DOCTYPE html>
<link rel="stylesheet" type="text/css" href="panel.css">
<header class="toolbar">
  <button id="toggle"></button>
</header>
<div class="main">
  <ul class="records"></ul>
  <div class="screenshots"><img /></div>
</div>

<!DOCTYPE html>
<link rel="stylesheet" type="text/css" href="panel.css">
<header class="toolbar">
  <button id="toggle"></button>
  <input type="text" id="search-input" class="devtools-searchinput" placeholder="Search changes"/>
</header>
<div class="main">
  <ul class="records"></ul>
  <div class="screenshots"><img /></div>
</div>

Add search box in html
Add search box in html