*{
    margin: 0;
    padding: 0;
}
// <uniquifier>: Use a unique and descriptive class name
// <weight>: Use a value from 100 to 900

body{
    font-family: "Poppins", sans-serif;
  font-weight: 400;
  font-style: normal;
}
  .navbar{ 
    background-color: #FD6569;
    padding: 10px;
 }
.container{
  padding: 10px;
}
.book-container{
  padding: 15px;
  width: 25%;
  background-color: black;
  border-radius: 10px;
  color: white;
  display: inline-block;
  margin: 30px;
  vertical-align: top;

}
.book-container h2{
  color: #FD6569;

}
.book-container button{
  background-color: #FD6569;
  color: black;
  border-radius: 10px;
  padding-top: 5px;
  padding-bottom: 5px;
  padding-left: 10px;
  padding-right: 10px;
  margin-top: 5px;
  border: none;
}
.add-button{
  background-color: #FD6569;
  color: black;
  border-radius: 100%;
  padding-top: 20px;
  padding-bottom: 20px;
  padding-left: 30px;
  padding-right: 30px;
  font-size: 40px;
  bottom: 20px;
  right: 20px;
  position: fixed;
  border: none;
}
.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:#FD6569;
    width: 40%;
    padding: 40px;
    border-radius: 10px;
    position: absolute;
    left: 25%;
    bottom: 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-bottom:solid black 2px;
}
.popup-box input::placeholder{
  color: black;
}
.popup-box textarea::placeholder{
  color: black;
}
.popup-box button{
  background-color:black;
  color:white;
  border-radius: 10px;
  padding-top: 5px;
  padding-bottom: 5px;
  padding-left: 10px;
  padding-right: 10px;
  margin-top: 5px;
  border: none;
}
.popup-box input:focus{
  outline: none;
}
.popup-box textarea:focus{
  outline: none;
}