*{
    margin:0;
    padding: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}
#main{
    width: 100%;
    height: 100vh;
    background-image: url(../images/exa.jpg) ;
    background-size: cover;
    
}

nav{
    width: 100%;
height: 80px;
background-color: #0009;
line-height: 80px;
}

nav ul
{
float: right;
margin-right: 30px;
}

nav ul li
{
list-style-type:none;
display: inline-block; 
transition: 0.8s all;
}


nav ul li a
{
text-decoration: none;
color: white;
padding: 30px ;
}