JSFiddle - React, Tailwind, and code Playground

HTML

<form action="#" method="POST">
    <input type="text" name="text" placeholder="some input" /><br />
    <input type="submit" class="submit-image" value="" />
</form>

CSS

form {
    padding: 20px;
    margin: 10px;
    border: 1px dashed #ccc;
}
.submit-image {
    outline: none;
    border: none;
    width: 240px;
    height: 70px;
    background: transparent url('http://hashcode.ru/upfiles/logo.png') no-repeat;
    cursor: pointer;
}