ul.tabs-list {
  display: flex;
  flex-direction: row;
  list-style-type: none;
  margin: 0;
  position: relative;
}

ul.tabs-list:after {
  border-bottom: solid 1px #ccc;
  content: '';
  flex: 1 1 auto;
}

.tabs-list > li {
  display: block;
}

.tabs-list > li > a.tab {
  border: solid 1px #ccc;
  display: block;
  outline: none;
  padding: 0.5rem 1.5rem;
}

.tabs-list > li:not(:first-child) {
  margin-left: -1px;
}

.tabs-list > li > a.tab:not(.selected) {
  background-color: #f6f6f6;
}

.tabs-list > li > a.tab.selected {
  border-bottom-color: transparent;
}