*{
	margin: 0;
	padding: 0;
}
html, body{
	width: 100%;
	height: 100%;
	font-size: 14px;
	font-weight: normal;
}
.background{
	width: 100%;
	height: 100%;
	background-image: url(../images/bgg.jpg);
	background-size: cover;
	position: relative;
	overflow-y: auto;
}
header h1{
    text-align: center;
}
.nav{
	width: 500px;
	height: 500px;
	text-align: center;
	display: flex;
	padding: 100px;
	margin-left: 250px;
}
a {
	height: 90px;
	width: 90px;
	margin: 0 20px;
	display: flex;
	align-items: center;
	justify-content: center;
	text-decoration: none;
	background-color: linear-gradient(-45deg, #EE7752, #E73C7E, #23A6D5, #23D5AB);
	border-radius: 50%;
	border: 1px solid rgba(214, 202, 214, 0.72);
	box-shadow: 8px 8px 12px -2px rgb(187, 192, 196),
	-5px -5px 9px -2px rgb(173, 177, 177);
	transition: transform 1s;
	text-align: center;
}	

.nav a{
	text-decoration: none;
	font-size: 40px;
	font-family: 'Train One', cursive;
	font-weight: bold;
	height: 200px;
	margin: 100px 100px;
	display: center;
	background-color:  #DD517F;
	color: black;
	text-align: center; 
	transition: 300ms; 
	border-radius: 30%;
	padding:100px;
}

a.active, .nav a:hover{
	background-color: #C0C0C0;
	color: black;
	width: 100%;
}
.a{
	width: 100%;
}
.b{
	width: 100%;
}