#bookss {
  display: flex;
  width: 70%;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  align-content: center;
  margin: 0 auto;
}

#dynamic {
  border: black 2px solid;
}

hr {
  width: 40%;
  height: 2px;
  background-color: black;
}

.table {
  width: 100%;
}

.delete {
  margin-left: 260px;
}

#book-list tr:nth-child(odd) {
  background-color: #e4e4e4;
}

#book-list td,
#book-list th {
  padding: 4px;
}

table {
  border-collapse: collapse;
}

button {
  background-color: white;
  border-right: 4px solid black;
  border-bottom: 4px solid black;
}

form button {
  float: right;
  width: 100px;
  height: 40px;
  font-size: 25px;
}

section h1 {
  display: flex;
  justify-content: center;
  align-items: center;
  align-content: center;
}

nav #navigation {
  border: 3px black solid;
  display: flex;
  justify-content: space-between;
  align-content: center;
  align-items: center;
  padding-left: 3%;
  padding-right: 3%;
  height: 50px;
  margin-bottom: 150px;
}

nav ul {
  display: flex;
  gap: 30px;
  align-items: center;
  justify-content: center;
  align-content: center;
}

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

nav ul li {
  list-style-type: none;
  font-size: 20px;
}

nav ul hr {
  height: 30px;
}

nav ul li a:hover {
  color: blue;
}

#show-contact {
  align-items: center;
  flex-direction: column;
  display: none;
}

footer {
  border: 3px black solid;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 43px;
  padding-left: 3%;
  height: 50px;
  width: 96%;
  margin: 0 auto;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
}

#book-form {
  font-size: 25px;
  display: none;
  align-items: center;
  justify-content: center;
  align-content: center;
  flex-direction: column;
}

#book-form input {
  width: 500px;
  height: 25px;
  border: 2px black solid;
}

section #show-book {
  justify-content: center;
  align-items: center;
  flex-direction: column;
  align-content: center;
}

.remove-page {
  display: flex;
}

.date-section {
  float: right;
  margin-top: -140px;
}