*{
    margin: 0;
    padding: 0;
}
body{
    font-family: 'Poppins', sans-serif;
}
.navbar{
    background-color: gold;
    padding: 15.5px;
}
.container{
    padding: 10px;
}
.book-container{
    padding: 15px;
    width: 30%;
    color: rgb(241, 233, 233);
    background-color: black;
    border-radius: 10px;
    display: inline-block;
    vertical-align: top;
}
.book-container h2{
    color: #fd6569;
}
.book-container h3{
    color: turquoise;
}
.book-container button{
background-color: gold;
color: rgb(3, 3, 3);
border-radius: 10px;
padding-top: 5px;
padding-bottom: 5px;
padding-left: 10px;
padding-right: 10px;
border: none;
margin-top: 10px;
margin-left: 170px;
}
.add-button{
     background-color: #fd6569;
     color: black;
     border-radius: 100%;
     border: none;
     padding-top: 20px;
     padding-bottom: 20px;
     padding-left: 30px;
     padding-right: 30px;
     font-size: 40px;
     position: fixed;
     bottom: 30px;
     right: 30px;
}
.popup-overlay{
    background-color: black;
    opacity: 0.8;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    display: none;
}
.popup-box{
      background-color: blueviolet;
      width: 40%;
      padding: 40px;
      border-radius: 10px;
      position: absolute;
      top: 20%;
      left: 30%;
      z-index: 2;
      display: none;

}
.popup-box input { 
       background: transparent;
       border: none;
       width: 100%;
       margin: 5px;
       padding: 5px;
       font-size: 20px;
       border-bottom: solid black 2px;
}
.popup-box textarea { 
    background: transparent;
    width: 100%;
    margin: 5px;
    padding: 5px;
    font-size: 20px;
    border: solid black 2px;
} 
.popup-box input::placeholder{
    color: black;
}
.popup-box textarea::placeholder{
    color: black;
}
.popup-box button{
    background-color: rgb(4, 4, 4);
    padding-top: 10px;
    padding-bottom: 10px;
    padding-left: 10px;
    padding-right: 10px;
    margin: 5px;
    color: white;
} 
/* .popup-box input:focus{
outline:none;
} 
.popup-box textarea:focus{
outline:none;
}
*/