JSFiddle - React, Tailwind, and code Playground

HTML

<input type="submit" value="Submit" />

CSS

input[type="submit"] {
    width: 100%;
    height: 40px;
    background: #FFD100;
    border-radius: 5px;
    box-shadow: 0 5px 0 #A58B1E;
    border: none;
    font-size: 20px;
    color: #2b2b2b;
    cursor: pointer;
    position: relative;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

input[type="submit"]:active, input[type="submit"]:focus {
    box-shadow: 0 3px 0 #A58B1E;
    top: 2px;
    outline: none;
}