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

body {
  font-family: 'Segoe UI', sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
}

/* Header Styling */
header {
  background-color: #4a90e2;
  color: white;
  padding: 2rem;
  text-align: center;
  border-bottom-left-radius: 20px;
  border-bottom-right-radius: 20px;
}

/* Flexbox Layout */
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 2rem auto;
  max-width: 800px;
  padding: 1rem;
}

/* Sections Styling */
section {
  background-color: #fff;
  margin: 1rem 0;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
}

/* Image Styling */
img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-top: 1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background-color: #333;
  color: white;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}

/* Background image example */
.features {
  background-image: url('images/hello.jpg');
  background-size: cover;
  background-position: center;
  color: white;
}