body{
    margin: 0px;
    
}
nav ul{
    margin: 0px;
    padding: 0px;
    background-color: black;
    overflow: hidden;
    width: 100%;
}
nav li{
    float: left;
}
nav ul li{
    list-style-type: none;
    
   
}
nav ul li a{
    text-decoration: none;
    color: white;
    padding: 20px;
    display: block;
    transition: background-color 1s;
}
header{
    margin-bottom: 0px;
}
header img{
    width: 75%;
    height: 35%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
main{
    width: 100%;
    height:100vh ;
    margin: 0px;
}
aside{
    background-color: brown;
    width: 25%;
    height: 200vh;
    display: inline-block;
}
aside img{
    width: 80%;
    height: 75;
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;
    border: 2px solid white;
    
}
main main-content{
    width: 75%;
    height: 200vh;
    background-color:yellow;
    float: right;
}
.nameofbook h1{
    color: black;
    margin-top: 30px;
    font-size: 1.2rem;
    margin-left: 20px;
    line-height: 1px;
}
.nameofbook p{
    margin-left: 20px;
}
.nameofbook .summary{
    text-align: center;
}
.nameofbook .quote{
    text-align: center;
}
.active{
    background-color: brown;
}
li a:hover{
    background-color: brown;
}