JSFiddle - React, Tailwind, and code Playground

HTML

<div class="form">
            <input type="text" placeholder="Enter a query"><input type="submit" value="Найти" class="knopka">
        </div>

CSS

.form{
width:220px;
padding:5px;
border-radius:5px;
-moz-border-radius:5px;
-webkit-border-radius:5px;
border:1px solid #ccc;
box-shadow:0px 0px 5px 0px #ccc;
-moz-box-shadow:0px 0px 5px 0px #ccc;
-webkit-box-shadow:0px 0px 5px 0px #ccc;
}

.knopka{
background:#f1f1f1;
border:1px solid #ccc;
padding:3px 10px;   
}