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

li {
  list-style: none;
}

header {
  width: 100vw;
  height: 50px;
  background-color: turquoise;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 10px;
  padding-right: 10px;
}

.mylogo {
  color: royalblue;
  font-weight: 500;
}

footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100vw;
  height: 30px;
  background-color: bisque;
  margin-top: 70px;
  padding: 0 2rem;
}

.date {
  float: right;
  padding-right: 20px;
  color: blue;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 50px;
}

.allbooks {
  width: 100%;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 10px;
}

nav ul {
  display: flex;
  gap: 10px;
}

ul li {
  text-decoration: none;
  font-size: 15px;
  color: royalblue;
  font-weight: 600;
  cursor: pointer;
}

ul li:hover {
  color: red;
}

main {
  width: 100vw;
}

.book.hide {
  display: none;
}

.book {
  width: 100vw;
  display: flex;
  flex-direction: column;
  gap: 30px;
  align-items: center;
  padding-left: 20px;
  padding-right: 20px;
}

.addbook.hide {
  display: none;
}

.addbook {
  width: 100vw;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
  font-weight: bold;
  font-size: 24px;
}

.awesomebook {
  width: 65%;
  height: 30px;
  display: flex;
  padding: 5px;
  justify-content: space-between;
  align-items: center;
  color: black;
}

.awesomebook:nth-child(odd) {
  background-color: gray;
}

.awesomebook.item {
  color: black;
}

.remove {
  width: 80px;
  height: 20px;
  color: white;
  background-color: turquoise;
  border: 1px solid black;
  box-shadow: gray 0 5px 15px;
  border-radius: 4px;
  cursor: pointer;
}

form {
  display: flex;
  flex-direction: column;
  width: 250px;
  gap: 10px;
}

form input {
  height: 30px;
  padding-left: 4px;
  padding-right: 4px;
  border: 1px solid black;
}

form input:focus {
  border: 2px solid black;
  outline: black;
}

form button {
  width: 90px;
  cursor: pointer;
  margin: 0 auto;
  height: 25px;
  font-weight: bold;
  border: 2px solid turquoise;
  border-radius: 5px;
}

.contat.hide {
  display: none;
}

.contat {
  width: 100vw;
  display: flex;
  flex-direction: column;
  gap: 50px;
  align-items: center;
  padding-left: 20px;
  padding-right: 20px;
}

.copyright {
  display: flex;
  justify-content: space-between;
}

.copyright a {
  text-decoration: none;
}