* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}

@font-face {
  font-family: Roboto;
  src: url(./Roboto-Black.ttf);
}

body {
  font-family: "Roboto", "Times New Roman", Times, serif;
}

#header {
  background-color: #84828f;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 10px;
  font-size: 50px;
  color: white;
}

#btnAdd {
  background-color: #fef5ef;
  font-size: 20px;
  height: fit-content;
  width: fit-content;
  padding: 10px;
}

.btnAdd-container {
  display: flex;
  justify-content: center;
}

#btnAdd:active {
  background-color: #84828f;
}

#book-container {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgb(255, 255, 255);
  flex-wrap: wrap;
  gap: 20px;
  padding: 20px;
}

.book {
  height: fit-content;
  width: 400px;
  background-color: #994b8c;
  display: flex;
  flex-direction: column;
  text-overflow: ellipsis;
  align-items: center;
  color: white;
  font-size: 30px;
  border: 8px solid black;
  border-radius: 15px;
}

.book-button {
  margin: 10px;
  background-color: #fef5ef;
  border: 5px solid black;
  height: fit-content;
  width: 200px;
  font-size: 30px;
}

.read {
  background-color: lightgreen;
}

.read:active {
  background-color: rgba(0, 128, 0, 0.5);
}
.not-read {
  background-color: red;
}

.not-read:active {
  background-color: rgba(255, 0, 0, 0.5);
}

.book-remove:active {
  background: grey;
}

.form-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  z-index: 1;
  visibility: hidden;
}

.form-overlay-hidden {
  visibility: hidden;
}

.form-overlay-visible {
  visibility: visible;
}

.centered-field {
  background-color: #ffffff; /* Adjust the background color as needed */
  position: relative;
  top: -25%;
  padding: 20px; /* Adjust the padding as needed */
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  border: white;
  border-radius: 15px;
}

.btn-submit {
  padding: 10px 20px;
  background-color: lightgreen;
  border-radius: 15px;
  border: none;
}

.btn-submit:hover {
  filter: brightness(90%);
}

.btn-close {
  padding: 10px 20px;
  background-color: red;
  border-radius: 15px;
  border: none;
}

.btn-close:hover {
  filter: brightness(90%);
}