html, body {
				height: 100%;
				overflow: hidden;
			}
			#blocker {
				position: absolute;
				top: 0px;
				left: 0px;
				width: 100%;
				height: 100%;
			}
			

.header{position: sticky; top: 0em; z-index: 1;}
#haut{color: white; background-color: lightblue; margin: 0 0 10px 0; animation: tourneX 1s forwards;}



@keyframes 'tourneX' { 
						0%{transform: rotateX(0deg);}
						10%{transform: rotateX(36deg);}
						20%{transform: rotateX(72deg);}
						30%{transform: rotateX(108deg);}
						40%{transform: rotateX(144deg);}
						50%{transform: rotateX(180deg);}
						60%{transform: rotateX(216deg);}
						70%{transform: rotateX(252deg);}
						80%{transform: rotateX(288deg);}
						90%{transform: rotateX(324deg);}
						100%{transform: rotateX(360deg);}
						}
						
