.custom-tab {
  margin-bottom: 10px;
}
.tab-title {
  background: #f3f3f3;
  padding: 10px;
  border: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  font-weight: bold;
}
.tab-title.active {
  background: #ddd;
}
.tab-content {
  display: none;
  padding: 15px;
  background: #fafafa;
  border: 1px solid #ddd;
}