* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  list-style: none;
}

:root {
  --primary-font-family: "Inter", sans-serif;
  --primary-color: #ff6b00;
  --color-secondary: #ec5242;
  --color-tertiary: #d3d3d3;
  --color-white: #fff;
  --color-grey: #585858;
  --color-light-grey: #ebf0ee;
}

h1 {
  font-size: 40px;
  text-align: center;
  color: #323246;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
}

section.visible {
  display: flex;
}

section.invisible {
  display: none;
}

.navbar {
  display: flex;
  justify-content: center;
}

.nav-first {
  width: 80%;
  display: flex;
  justify-content: space-between;
  border-right: 2px solid #7676ff;
}

.nav-first p {
  color: #7676ff;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  margin: 2px 2px;
  padding: 2px 2px;
}

.nav-second {
  width: fit-content;
  margin: 2px 2px;
  padding: 2px 2px;
  display: flex;
  justify-content: center;
  border-right: 2px solid #7676ff;
}

.nav-second p {
  color: #7676ff;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
}

.container-time {
  margin: auto;
  padding: 1rem 5%;
  max-height: 100vw;
  color: #000;
}

#date {
  color: #7676ff;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
}

.date {
  text-align: end;
}

.container {
  margin: auto;
  padding: 0 5%;
  max-height: 100vw;
  color: #000;
}

.book-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: auto;
  gap: 2rem;
  max-width: 800px;
}

#book-addition {
  display: flex;
  flex-direction: column;
  width: 100%;
  position: relative;
  border: 2px solid black;
}

#book-addition div {
  justify-content: space-between;
  align-items: center;
  width: 100%;
  border: 1px solid black;
  padding: 1rem;
}

#book-addition div:nth-of-type(odd) {
  background-color: #e59933;
}

#book-addition div:nth-of-type(even) {
  background-color: #eded5a;
}

button {
  width: fit-content;
  border: 1px solid gray;
  color: aliceblue;
  border-radius: 4px;
  box-shadow: 5px 6px #232421;
  padding: 3px;
  background-color: #e30664;
}

button:hover {
  border: 1px solid #000;
  background-color: rgba(255, 235, 205, 0.705);
  color: #000;
}

#book-addition div button {
  float: right;
}

.add-books {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

#form {
  width: 40%;
  display: block;
  margin: auto;
  position: relative;
}

.contact h1 {
  color: #323246;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
}

#form h1 {
  color: #323246;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 20px;
}

#form #title {
  width: 80%;
  display: block;
  padding: 10px;
  font-size: 1rem;
  margin: auto;
  border: 2px solid #000;
}

#form #author {
  width: 80%;
  display: block;
  border: 2px solid #000;
  padding: 10px;
  font-size: 1rem;
  margin: auto;
}

#form-btn {
  width: 15%;
  display: block;
  margin: auto;
}

.contact {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.contact-text {
  text-align: center;
  width: 80%;
}

.contact-text h2 {
  color: #323246;
  font-family: 'roboto', sans-serif;
}

.contact-text h3 {
  color: #323246;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
}

.contact-text ul li {
  color: #323246;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
}

.contact-text ul li a {
  color: #ae0bf1;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
}

.nav-first p a:hover {
  color: #7676ff;
}

.nav-second p a:hover {
  color: #7676ff;
}

.footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  padding: 15px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: #000 2px solid;
  color: #000;
  background-color: white;
  margin-top: 10rem;
}

.footer p {
  color: #323246;
  font-family: 'Inter', sans-serif;
  font-weight: 800;
}

#book-addition div p {
  display: inline;
  justify-content: space-around;
  width: 100%;
  color: #323246;
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 14px;
}