nav {
	margin: 27px auto 0;

	position: relative;
	top:-26px;
	
	width: auto;
	max-height: 50px;
	background:linear-gradient(to right,#333, #063);
	border-radius: 0px;
	font-size: 0;
}
nav a {
	line-height: 50px;
	height: 100%;
	font-size: 13px;
	display: inline-block;
	position: relative;
	z-index: 1;
	text-decoration: none;
	text-transform: uppercase;
	text-align: center;
	color: white;
	cursor: pointer;
}
nav .animation {
	position: absolute;
	height: 100%;
	top: 0;
	z-index: 0;
	transition: all .5s ease 0s;
	border-radius: 8px;
}
a:nth-child(1) {
	width: 100px;
}
a:nth-child(2) {
	width: 140px;
}
a:nth-child(3) {
	width: 70px;
}
a:nth-child(4) {
	width: 70px;
}
a:nth-child(5) {
	width: 120px;
}
a:nth-child(6) {
	width: 120px;
}
a:nth-child(7) {
	width: 70px;
}
a:nth-child(8) {
	width: 90px;
}
a:nth-child(9) {
	width: 90px;
}
a:nth-child(10) {
	width: 90px;
}
a:nth-child(11) {
	width: 90px;
}
a:nth-child(12) {
	width: 280px;
}

nav .start-home, a:nth-child(1):hover~.animation {
	width: 100px;
	left: 0;
	background:linear-gradient(to right, #e74c3c,#F69);
}
nav .start-about, a:nth-child(2):hover~.animation {
	width: 140px;
	left: 100px;
	background:linear-gradient(to right,#0C9,#36F);
}
nav .start-blog, a:nth-child(3):hover~.animation {
	width: 70px;
	left: 240px;
	background:linear-gradient(to right, #360,#9F6);
}
nav .start-portefolio, a:nth-child(4):hover~.animation {
	width: 70px;
	left: 310px;
	background:linear-gradient(to right,#900,#F3C);
}
nav .start-contact, a:nth-child(5):hover~.animation {
	width: 120px;
	left: 380px;
	background:linear-gradient(to right, #F90,#F66);
}
nav .start-contact, a:nth-child(6):hover~.animation {
	width: 120px;
	left: 500px;
	background:linear-gradient(to right, #C39,#C6C);
}
nav .start-contact, a:nth-child(7):hover~.animation {
	width: 70px;
	left: 620px;
	background: linear-gradient(to right,#930,#963);
}
nav .start-contact, a:nth-child(8):hover~.animation {
	width: 90px;
	left: 690px;
	background:linear-gradient(to right,#333,#666);
}
nav .start-contact, a:nth-child(9):hover~.animation {
	width: 90px;
	left: 780px;
	background: linear-gradient(to right,#CC0,#FC0);
}
nav .start-contact, a:nth-child(10):hover~.animation {
	width: 90px;
	left: 870px;
	background:linear-gradient(to right,#099,#39F);
}
nav .start-contact, a:nth-child(11):hover~.animation {
	width: 90px;
	left: 960px;
	background:linear-gradient(to right,#C63,#666);
}
nav .start-contact, a:nth-child(12):hover~.animation {
	width: 280px;
	left: 1050px;
	background:linear-gradient(to right,#333,#666);
}






span {
    color: #2BD6B4;
}