.about {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 50px;
}
.about img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
}
.about .about-introduction-title {
  width: 100%;
  height: 40px;
  line-height: 40px;
  display: block;
  font-size: 1.4em;
  color: #787878;
  font-family: 'Josefin Sans', sans-serif;
}