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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  padding: 0 150px;
  background: #f9f9fb;
  color: #333;
}

header {
  text-align: center;
  padding: 20px 0;
}

.hero {
  text-align: center;
  margin: 40px 0;
}

h1 {
  color: rgb(66, 135, 176);
  font-size: 120px;
  line-height: 1.1;
  font-weight: bold;
}

h2 {
  color: rgb(216, 120, 23);
  margin-bottom: 16px;
}

h3 {
  margin: 20px 0 10px;
}

section {
  margin-block: 60px;
}

.main-img {
  width: 100%;
  max-width: 800px;
  height: auto;
  margin: 30px auto;
  display: block;
}

ul {
  margin-left: 20px;
  margin-bottom: 16px;
}

a {
  color: rgb(66, 135, 176);
  text-decoration: underline;
}

a:hover {
  color: rgb(216, 120, 23);
}

footer {
  background-color: rgb(42, 82, 182);
  color: white;
  text-align: center;
  padding: 20px;
  margin: 40px 96px 0;
  border: 5px solid rgb(28, 59, 153);
  border-radius: 5px;
  font-weight: bold;
}