onglets.css

body
{
	background-image: url(texture-grise.jpg);
}

#onglets-menu
{
	list-style: none;
}

#onglets-menu li 
{
    float: left;
    background: linear-gradient(220deg, transparent 10px, #ad1c1c 11px);
    color: white;
    padding: 11px 30px;
}