html .btn-group > .btn:first-child,
html .btn,
html button,
html .btn:hover,
html button:hover,
html .btn:active,
html button:active { border-color:transparent; }

/**/
html button, html .btn, html button,
html .btn-group > .btn:first-child { background:#53524e; color:#fff; }
/**/
html .btn:hover,
html button:hover { background:#7a7974; }
/**/
html .btn:active,
html button:active { background:#3b3a36; }