@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap");

* {
  font-family: poppins, sans-serif;
}

body {
  width: 90%;
  margin: 20px auto;
  text-align: center;
}

nav {
  height: auto;
  padding-left: 15px;
  width: auto;
  display: flex;
  justify-content: space-between;
  border: 3px solid black;
}

nav a {
  text-decoration: none;
  color: black;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

nav ul li {
  padding-right: 10px;
  border-right: solid 2px black;
}

nav ul li:hover {
  cursor: pointer;
  font-weight: bold;
}

nav ul li:last-child {
  padding-right: 15px;
  border: 0;
}

#Book-List {
  display: flex;
  flex-direction: column;
}

#Add-Books {
  display: none;
  flex-direction: column;
}

#contact {
  display: none;
  flex-direction: column;
}

#contact ul {
  list-style: none;
}

.book {
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 10px;
}

.book h2 {
  font-size: 15px;
  font-weight: 400;
}

.books {
  width: 50%;
  margin: auto;
  border: 3px solid black;
}

.book button {
  height: 30px;
  padding: 0 10px;
}

.book button:hover {
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(44, 30, 107, 0.2);
}

.odd-color {
  background-color: rgb(201, 202, 207);
  font-weight: bold;
}

.add-book {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.add-book input {
  width: 50%;
  height: 28px;
  padding-left: 8px;
}

.add-btn {
  margin-left: auto;
  margin-right: 24.5%;
}

.footer {
  display: flex;
  border: 3px solid black;
  margin-top: 50px;
  padding: 15px;
  margin-bottom: 10px;
  position: fixed;
  bottom: 0;
  width: 87%;
}

#date {
  width: 100%;
  display: flex;
  justify-content: end;
  font-weight: 600;
}