JSFiddle - React, Tailwind, and code Playground

HTML

<span class="buttonR">
<input type="submit" id="updateReview" class="buttonL" value="Save changes" />
</span>

CSS

.buttonL, .buttonR
{
    height: 26px;
}
.buttonL
{
    font-size: 18px;
    padding: 0px 27px;
    background: transparent url('http://imgur.com/gGIYJ.png') no-repeat -2px left;
    cursor: pointer;
    margin-left; 6px;
}
.buttonR
{
    padding: 0px;
    background:transparent url('http://imgur.com/JnSVn.png') no-repeat -3px right;
}
.buttonR:hover{
    background-color:black;
}
.buttonL:hover{
    color:white;
}