body{
background-image:url("protoype.jpg");
background-size:cover;
background-repeat:no-repeat;
baclground-attachment:fixed;
margin:0;
padding:0;
}
nav{
width:100%;
height:75%;
color:white;
text-align:center;
margin-top:2px;
}
.logo{
float:left;
margin-left:20px;
font-left:1.5em;
letter-spcaing:2px;
}
.login{
float:right;
}
.login a {
background-color:#3498db;
padding:10px 20pxp;
margin_right:30pc;
border_radius:10px;
}
.navigation-bar a:haver{
border-bottom:2px solid#349db;
}