div {
	background: radial-gradient(ellipse farthest-side, black,grey );
}



#menu-demo2, #menu-demo2 ul{
padding:0;
margin:0;
list-style:none;
/* alignement du bloc complet de menu */
text-align:center;
}
#menu-demo2 li{
display:inline-block;
position:relative;
/* border-radius:16px 6px 0 0; */
border-radius:10px 100px / 120px ;
}
#menu-demo2 ul li{
display:inherit;
border-radius:0; 

}
#menu-demo2 ul li:hover{
display:inherit;
 border-radius:0; 

}
#menu-demo2 ul li:last-child{
border-radius:0px 0px / 120px ;

}


#menu-demo2 ul{
position:absolute;
z-index: 900;
max-height:0;
left: 0;
right: 0;
overflow:hidden;
-moz-transition: .8s all .3s;
-webkit-transition: .8s all .3s;
transition: .8s all .3s;
}
/* longeur en hauteur du menu  */
#menu-demo2 li:hover ul{
max-height:35em;
}
/* background des liens menus */
#menu-demo2 li:first-child {
background-color: #f5401b;
background-image:-webkit-linear-gradient(top, #f5401b 0%, #f5401b 100%);
background-image:linear-gradient(to bottom, #f5401b 0%, #2A2333 100%);

}
#menu-demo2 li:nth-child(2){
background-color: #729EBF;
background-image: -webkit-linear-gradient(top, #729EBF 0%, #333A40 100%);
background-image:linear-gradient(to bottom, #729EBF 0%, #333A40 100%);
}
#menu-demo2 li:nth-child(3){
background-color: #F6AD1A;
background-image:-webkit-linear-gradient(top, #F6AD1A 0%, #9F391A 100%);
background-image:linear-gradient(to bottom, #F6AD1A 0%, #9F391A 100%);
}
#menu-demo2 li:nth-child(4){
background-color: #CFFF6A;
background-image:-webkit-linear-gradient(top, #CFFF6A 0%, #677F35 100%);
background-image:linear-gradient(to bottom, #CFFF6A 0%, #677F35 100%);
}
#menu-demo2 li:nth-child(5){
background-color: #CFFF6A;
background-image:-webkit-linear-gradient(top, #CFFF6A 0%, #677F35 100%);
background-image:linear-gradient(to bottom, #CFFF6A 0%, #677F35 100%);
}
#menu-demo2 li:last-child{
background-color: #03286d;
background-image:-webkit-linear-gradient(top, #3549b8 0%, #7679a8 100%);
background-image:linear-gradient(to bottom, #7f8083 0%, #353446 100%);

}
/* background des liens sous menus */
#menu-demo2 li:first-child li{
background:#7a3223;
}
#menu-demo2 li:nth-child(2) li{
background:#333A40;
}
#menu-demo2 li:nth-child(3) li{
background:#9F391A;
}
#menu-demo2 li:nth-child(4) li{
background:#9F391A;
}
#menu-demo2 li:nth-child(5) li{
background:#9F391A;
}
#menu-demo2 li:last-child li{
background:#6b6b69e5;
}
/* background des liens menus et sous menus au survol */
#menu-demo2 li:first-child:hover, #menu-demo2 li:first-child li:hover{
background:#f5401b;
}
#menu-demo2 li:nth-child(2):hover, #menu-demo2 li:nth-child(2) li:hover{
background:#729EBF;
}
#menu-demo2 li:nth-child(3):hover, #menu-demo2 li:nth-child(3) li:hover{
background:#F6AD1A;
}
#menu-demo2 li:nth-child(4):hover, #menu-demo2 li:nth-child(4) li:hover{
background:#F6AD1A;
}
#menu-demo2 li:nth-child(5):hover, #menu-demo2 li:nth-child(5) li:hover{
background:#F6AD1A;
}
#menu-demo2 li:last-child:hover, #menu-demo2 li:last-child li:hover{
background:#969393;
}
/* les a href */
#menu-demo2 a{
text-decoration:none;
display:block;
/* taille en hauteur et  largeur des bloc */
padding:6px 50px;
color:#fff;
font-family:arial;
}
#menu-demo2 ul a{
padding:8px 0;
}
#menu-demo2 li:hover li a{
color:#fff;
text-transform:inherit;
}
#menu-demo2 li:hover a, #menu-demo2 li li:hover a{
color:#000;
}