#boiteameuh{
	width:280px;
	margin:50px auto;
	transform-origin: 50% 50%;
	transform: rotate(0deg);
	-moz-transition:all 1s;
	-webkit-transition:all 1s;
	-ms-transition:all 1s;
	-o-transition:all 1s;
}
#boiteameuh:hover{
	-moz-transform:rotate(180deg);
	-webkit-transform:rotate(180deg);
	-ms-transform:rotate(180deg);
	-o-transform:rotate(180deg);
}
#son{
	display:none;
}