body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: black;
  color: #333;
}

header {
  background-color: #333;
  color: #fff;
  padding: 1rem;
}
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav ul li {
  display: inline-block;
  margin-right: 1rem;
}

nav ul li:last-child {
  margin-right: 0;
}
nav ul li a {
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
}
nav ul li a:hover {
  background-color: #444;
}
main {
  padding: 1rem;
}
section {
  margin-bottom: 2rem;
}
h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}
footer {
  background-color: #333;
  color: #520000;
  text-align: center;
  padding: 1rem;
}
blockquote {
  font-style: italic;
  padding: 1rem;
  border-left: 5px solid #e7e4e4;
  margin-bottom: 1rem;
  color: black;
}
#biography {
  background-image: url('download (2).jpeg');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 4rem;
 border-radius:20px ;
  margin: 20px;
  margin-bottom:40px ;
}
#achievements {
  background-image: url('download (3).jpeg');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 4rem;
  border-radius:20px ;
  margin: 20px;
  margin-bottom:40px ;
}
#quotes {
  background-image: url('Einstein.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 4rem;
 border-radius:20px ;
  margin: 20px;
  margin-bottom:40px ;
}
#quotes {
  background-image: url('Einstein.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 4rem;
 border-radius:20px ;
  margin: 20px;
  margin-bottom:40px ;
}
#quotes {
  background-image: url('Einstein.jpg');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 4rem;
 border-radius:20px ;
  margin: 20px;
  margin-bottom:40px ;
}
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
}

header {
  background-color: #282c34;
  color: white;
  padding: 20px 0;
  text-align: center;
}

header h1 {
  margin: 0;
}

nav ul {
  list-style-type: none;
  padding: 0;
  margin: 10px 0 0;
  display: flex;
  justify-content: center;
  gap: 20px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

main {
  padding: 20px;
}

section {
  margin-bottom: 40px;
}

h2 {
  color: #fbefef;
}

ul {
  list-style-type: square;
  margin-left: 20px;
}

blockquote {
  font-style: italic;
  background-color: #8affeb;
  padding: 10px 20px;
  border-left: 5px solid #4b0101;
  margin: 20px 0;
}

footer {
  background-color: #282c34;
  color: white;
  text-align: center;
  padding: 10px 0;
}