*{
    margin:0px;
    padding:0px;
    box-sizing:border-box;
}
body{
    background:url('../library/bg.jpg');
    background-size:100% 100%;
    min-width: 100vh;
    min-height: 100vw;
}
.wrapper{
    margin:10px 30px;
}
.nav-bar{
    padding:10px 20px;
    background:rgba(255,255,255,.8);
    border-radius:0px 0px 75px 75px;
}
.nav-bar img{
    height:100px;
}
.nav-bar ul{
    list-style:none;
    display:flex;
    align-items:center;
    justify-content: space-around;
}
.nav-bar ul li a{
text-decoration: none;
}