body {
  margin: 0;
}
img {
  width: 100%;
  height: auto;
  vertical-align: bottom;
}
.main {
  margin: 0 auto;
  padding: 140px 0 0;
  max-width: 750px;
}
.main__img {
  margin: 0 auto 50px;
  width: 80%;
  max-width: 540px;
}
.main__head {
  padding: 30px 0;
  text-align: center;
  font-size: 20px;
  font-weight: normal;
  background: #f2f2f2;
}