.container {
  width: 100%;

  margin: 0 auto;
  padding-top: 20px;
  padding-bottom: 20px;
}
.div_box_shadow {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 10px 20px rgba(0, 0, 0, 0.08),
    0 0 0 1px rgba(0, 0, 0, 0.03);

  border-bottom: 2px solid #f1f1f1;
  background-color: white;
  margin-top: 20px;
  margin-bottom: 20px;
}
.div_box_content_head {
  font-size: 1.1;
  border-bottom: 2px solid #f1f1f1;
  width: 700px;
  margin: 20px;
  padding: 10px;
}
.div_box_content {
  line-height: 1.5;
  font-size: 1.0rem;
  color: #444;
  padding-left: 20px;
}