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

body {
  font-family: Arial;
  margin: 0 auto;
  width: 75%;
}

header {
  background: black;
  color: white;
  padding: 20px;
  text-align: center;
}

.container {
  width: 1000px;
  margin: auto;
}

.product-image {
  display: inline-block;
  width: 500px;
  margin: 20px auto;
}

.product-info {
  display: inline-block;
  width: 450px;
  margin-left: 20px;
}

.product-image img {
  width: 100%;
}

button {
  padding: 10px 20px;
  font-size: 16px;
  margin-top: 20px;
}

.reviews {
  width: 1000px;
  margin: 10px auto;
  margin-top: 10px;
  padding: 20px;
}

.review {
  border: 1px solid #ccc;
  padding: 15px;
  margin-left: 125px;
  margin-right: 125px;
  margin-top: 40px;
  display: inline-block;
}

footer {
  background: black;
  color: white;
  text-align: center;
  padding: 15px;
  margin-top: 40px;
}

section {
  text-align: center;
}