body{
	background-color:ivory;
	background-image:  url(http://lorempixel.com/200/100/), url(http://lorempixel.com/400/200/);
	background-size: cover;
	background-repeat: repeat;
}

h1{
	text-decoration:underline;
	color:red;
	text-align:center;
	font-family:Cursive;
}

th{
	border : 2px solid black;
}
.nom{
	text-align:left;
}

.nom:hover{
	background-color:wheat;
	color:green
}
.image{
	max-width : 400px;
	text-align:center;
	border-color:silver;
	border-width:10px;
	border-style:double;
	overflow: scroll;
	resize:both;
	margin:50px;
	animation-name: cos;
	animation-duration: 2s;
	animation-timing-function:ease-in ;
	animation-direction: alternate;
	animation-iteration-count: 2;
	border-radius: 10px 30px 30px 30px;
}

@keyframes cos {
	0% {transform : rotate(-45deg); left: -50px}
	100% {transform : rotate(45deg); left: 50px}
}

.image:after  {
	content: "NSI" ;
	color: red;
}