JSFiddle - React, Tailwind, and code Playground

HTML

<span class="button_style">Comment</span>

CSS

.button_style { 
	background:-moz-linear-gradient(top,#006666 0%,#006666 100%);
	background:-webkit-gradient(linear,left top,left bottom,color-stop(0%,#006666),color-stop(100%,#006666));
	background:-webkit-linear-gradient(top,#006666 0%,#006666 100%);
	background:-o-linear-gradient(top,#006666 0%,#006666 100%);
	background:-ms-linear-gradient(top,#006666 0%,#006666 100%);
	background:linear-gradient(top,#006666 0%,#006666 100%);
	filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#006666',endColorstr='#006666',GradientType=0);
    border: 1px solid #006666;
    border-radius: 3px 3px 3px 3px;
    color: #FFFFFF;
    font-family: 'Helvetica',sans-serif;
    font-size: 14px;
    padding: 6px;
    vertical-align: middle;
    width: 70px;
	cursor:pointer;
}