.tabs-container {
  display: flex;
  flex-direction: column;
  width: 100%;
}
.tabs-container .tabs-headers-container {
  position: relative;
}
.tabs-container .tabs-headers-container .tabs-headers {
  display: flex;
  list-style: none;
  flex-direction: row;
  border-bottom: 1px solid #aaaaaa;
  margin-bottom: 0;
}
.tabs-container .tabs-headers-container .tabs-headers .tab {
  font-size: 16px;
  padding-bottom: 20px;
  padding: 0 16px 20px 16px;
  cursor: pointer;
}
.tabs-container .tabs-headers-container .tabs-headers .tab.active {
  color: #0000aa;
}
.tabs-container .tabs-headers-container .active-tab-marker {
  position: absolute;
  bottom: 0;
  border-bottom: 3px solid #0000aa;
  transition: left 300ms;
}