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

body {
  font-family: Arial, sans-serif;
  transition: background-color 0.5s, color 0.5s;
}

header {
  background-color: #3498db;
  color: white;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.biography {
  margin: 20px;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 5px;
  max-width: 800px;
  margin: 0 auto;
  background-color: white;
  box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: background-color 0.5s, color 0.5s;
}

.biography img {
  width: 300px;
  height: auto;
}

body.darkMode {
  background-color: #333;
  color: white;
}

.biography.darkMode {
  background-color: #333;
}

main {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
}

.biography p {
  width: 70%;
  margin: 0 auto;
}

#editButton {
  background-color: #3498db;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 5px;
  margin-top: 20px;
}

#editButton:hover {
  background-color: #277db5;
}

.btn {
  background-color: #3498db;
  color: white;
  border: 2px solid white;
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 5px;
  margin-top: 20px;
}
.btn:hover {
  background-color: #277db5;
}
.btn:active {
  background-color: white;
  color: #3498db;
}

.descriptionEdit {
  display: block;
  width: 700px;
  height: 150px;
  margin: 0 auto;
}