h1 {
	text-align: center;
}
nav {
	text-align: center;
	background:#D8E019;
	padding:1.5rem;
}
footer {
	text-align: center;
}
body {
	background-color: #2F42E0;
	color: #D8E019;
	font-family: Arial;
	margin: 10px;
}
.wrap_images{
	 display: flex;
    justify-content: center;
    align-items: center;
	text-align:center;
}

#background {
	background-color:white;
}
#validation {
	text-align: center;
	background-color: #D8E019;
}
li {
	background-color:#D8E019;
	color:#2F42E0;
}