<script>
// Вставка скрипта:
(function(w, d, s, p, a, c) {
w.sfButton = w.sfButton || function(){};
c = d.getElementsByTagName(s)[0];
a = d.createElement(s);
a.async=1;
a.src=p;
c.parentNode.insertBefore(a, c);
})(window, document, 'script', '//savefrom.net/js/sf-helper-agent.min.js');

// Текст:
sfButton.text = 'Скачать';

// Cтили:
sfButton.styles = {
color: 'rgba(255,255,255,1)',
textShadow: '-1px -1px 1px rgba(0,0,0,0.3)',
fontFamily: 'Arial,Helvetica,sans-serif',
fontSize: '12px',
borderRadius: '4px',
backgroundColor: '#000000',
'background-image': '-webkit-linear-gradient(#000000, #000000)',
'background-image': '-moz-linear-gradient(#000000, #000000)',
'background-image': 'linear-gradient(#000000, #000000)',
border: 'none'
};
</script>