JSFiddle - React, Tailwind, and code Playground

HTML

<div style="border:3px solid; width: 100px;">
    <div>
        <button type="button" class="t-button t-button-expand">button</button>
    </div>
    <div>
        <a class="t-button t-button-expand">anchor</a>
    </div>
    <div>
        <input type="button" value="input" class="t-button t-button-expand" />
    </div>
    <div>
        <input type="submit" value="submit" class="t-button t-button-expand" />
    </div>
    <div>
        <div class="t-button t-button-expand">div</div>
    </div>
</div>

CSS

body
{
    font:12px sans-serif;
}

.t-widget,
.t-widget .t-input,
.t-widget .text-box,
.t-button
{
    font-size: 100%;
}

html body .t-button
{
    text-decoration: none; /*Site.css*/
}

.t-button
{
    display: inline-block;
    margin: 0;
    padding: 2px 6px;
    border-width: 1px;
    border-style: solid;
    border-color:red;
    background-color: yellow;
    font-family: inherit;
    font-size: 100%;
    line-height: 1.435;
    text-align: center;
    cursor: pointer;
    
    -moz-border-radius: 3px;
    -webkit-border-radius: 3px;
    border-radius: 3px;
}

*+html .t-button { display: inline; zoom: 1 }
* html .t-button { display: inline; zoom: 1 }
*+html .t-button { overflow: visible; margin-right: 4px}
* html .t-button { overflow: visible; margin-right: 4px}
*+html a.t-button { line-height: 1.6; padding-left: 7px; padding-right: 7px;/*+1*/ }
* html a.t-button { line-height: 1.6; padding-left: 7px; padding-right: 7px;/*+1*/ }

.t-button-icontext
{
    line-height: 1.453;
}

button.t-button::-moz-focus-inner
{
    padding: 0;
    border: 0;
}

input.t-button::-moz-focus-inner
{
    padding: 1px 0;
    border: 0;
}

.t-button-expand
{
    margin-left: 0 !important;
    margin-right: 0 !important;
}

a.t-button-expand,
div.t-button-expand
{
    display: block;
}

button.t-button-expand,
input.t-button-expand
{
    width: 100%;
}

body .t-button-icon
{
    padding-left: 4px;
    padding-right: 4px;
}
*+html a.t-button-icon{padding-left: 5px;padding-right: 5px;}
* html a.t-button-icon{padding-left: 5px;padding-right: 5px;}

.t-button-icontext
{
    padding-right: 8px;
    overflow: visible; /*IE9*/
}

.t-button-icontext .t-icon
{
    margin: 0 3px 0 -3px;
    vertical-align: top;
}
*+html .t-button-icontext .t-icon{margin-right: 4px}
* html .t-button-icontext .t-icon{margin-right: 4px}

html body .t-button-bare
{
    background: none !important; /*spares long selectors*/
    border-width: 0;
}