*{
	margin: 0;padding: 0;box-sizing: border-box;
	font-family: 'Josefin Sans', sans-serif;
}
header{
	width: 100% ; height: 100vh ;
	background-image:linear-gradient(rgba(0,0,0,0.4),rgba(0,0,0,0.2)), url('../images/birds.jpg.jpeg');
	background-repeat: no-repeat;
	background-size: cover;

}
nav{
	width: 100%;height: 15vh;
	background: rgba(0,0,0,0.4);
	color: white;display: flex;justify-content: space-between;
	align-items: center;
}
nav .logo{
	width: 15%;text-align: center;
}
nav .menu{
	width: 45%;
	display: flex;justify-content: space-around;
}
nav .menu a{
	width: 25%;
	text-decoration: none;color: white;
	font-weight: bold;
}
main{
	width: 100%;
	height: 85vh;
	display: flex;
	justify-content: center;
	align-items: center;
	text-align: center;
	font-weight: bold;
	color: white;
}
section{

}
section h3{
	font-size: 40px;font-weight: bold;letter-spacing: 5px;
	text-shadow: 5px 5px 10px black;

}
section h1{
	margin: 60px 0 20px 0;
	font-size: 60px;
	font-weight: 700;
	text-shadow: 5px 5px 10px black;
	text-transform: uppercase;
}
section p{
	font-size: 25px;
	word-spacing: 2px;
	margin-bottom: 25px;
	text-shadow: 1px 1px 1px black;
}
section a {
	padding: 12px 30px;
	border-radius: 3px;
	outline: none;
	text-transform: uppercase;
	font-size: 20px;
	font-weight: 900;
	text-decoration: none;
	letter-spacing: 1px;
	font-weight: bolder;
	transition: all .5s ease;
}
section .btnone{
	background: #fff;
	color: #000;
}
.btnone:hover{background: grey;
	color:white;

}
section .btntwo{
	background: grey;
	color:white;
}
.btntwo:hover{background: #fff;
	color: #000;

}
.change_content:after{
	content: '';
	animation: changetext 10s infinite linear;
	color:grey;
}
@keyframes changetext{
	0%{content:"technology";}
	25%{content:"art";}
	45%{content:"dedication";}
	60%{content:"hardwork";}
	80%{content:"unity";}
	100%{content:"affection";}

}