.section__heading-title {
   font-size: 30px;
   letter-spacing: 0.1em;
    margin: 0;
    border-bottom: 3px solid #1d2f5f;
  margin-bottom: 20px;
}
.imagebox {
  width: auto;
  height:222px;
  border: 5px solid #eee;
  overflow: hidden;
}
.imagebox_md {
  width: auto;
  height:131px;
  border: 5px solid #eee;
  overflow: hidden;
}
.sub-list {
  border-bottom: 1px solid #ddd;
  margin-bottom: 40px;
}