div#about_us .section-block {

  display: block;
  padding: 2em 1em;
  margin-bottom: 2em;
  border-bottom: 2px dotted #ccc; 
  max-width: 1024px;
  margin-left: auto;
  margin-right: auto;
}

div#about_us .section-block h2 {
  background-color: #f9f9f9;
  font-size: 1.2rem;
  font-weight: 700;
  color: #121212;
  border-bottom: 2px solid #DF5656;
  padding-bottom: 0.25em;
  margin-bottom: 1em;
  position: relative;
  padding-left: 0.5em;
}


.info-table th,
.timeline-table th {
  background-color: #f0f8ff;
  text-align: left;
  padding: 8px 12px;
  width: 25%;
  font-weight: 600;
  border: 1px solid #ccc;
  vertical-align: top;
  white-space: nowrap;
  font-size: 13px;
}

.info-table td,
.timeline-table td {
  border: 1px solid #ccc;
  padding: 8px 12px;
  vertical-align: top;
  font-size: 13px;
}

.business-list {
  counter-reset: section;
  list-style: none;
  padding-left: 0;
  font-size: 13px;
}

.business-list li {
  counter-increment: section;
  margin-bottom: 1em;
  padding-left: 2.5em;
  position: relative;
}

.business-list li::before {
  content: counter(section);
  position: absolute;
  left: 0;
  top: 0;
  background-color: #DF5656;
  color: white;
  font-size: 12px;
  width: 2em;
  height: 1.6em;
  line-height: 1.6em;
  text-align: center;
  font-weight: bold;
}

/* Responsive */
@media (max-width: 599px) {
  h2 {
    font-size: 1rem;
  }
  .info-table th,
  .timeline-table th,
  .info-table td,
  .timeline-table td {
    font-size: 12px;
    padding: 6px 8px;
  }
  .business-list {
    font-size: 12px;
  }
}