.header-design {
  display: flex;
  flex-wrap: wrap;
  float: left;
  font-size: larger;
  font-weight: bolder;
  text-align: left;
  width: 100%;
}

.item-tab {
  border-left: 1px solid #d9d9d9;
  border-bottom: 1px solid #d9d9d9
}

#tabs {
  border-bottom: solid 3px #eee;
}

#tabs > a {
  display: inline-block;
  padding: 5px 10px;
  cursor: pointer;
}

#tabs > a.selected {
  background-color: #eee;
}

.tab-content {
  padding: 10px;
  margin-bottom: 100px;
}