Untitled

dabblet.css

a {
text-decoration:none;
padding:5px 10px;
background:#eee;
line-height:45px;
display:inline-block;
border-radius:0.75em;
background-image:linear-gradient(90deg,#333,#aaa,#333);
color:#555;
text-shadow:1px 1px 3px white;
box-shadow:0 0 1px black, 3px 6px 8px gray;
}

a.ie9 {
background:#aaa;
box-shadow:
	0 0 1px black, 
	3px 6px 8px gray, 
	inset 0  30px  30px -20px  #000, 
	inset 0 -30px  30px -20px  #000
;
}

dabblet.html

<a href="http://www.siteduzero.com/forum-83-782462-p1-creer-un-bouton-extensible-en-css.html" >un bouton extensible</a>
<a href="http://www.siteduzero.com/forum-83-782462-p1-creer-un-bouton-extensible-en-css.html" class="ie9">un bouton extensible</a>

settings.json

{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}