body {
  margin: 0;
  padding: 0;
}

.tab-container {
  display: flex;
  justify-content: left;
  margin-top: 20px;
}

.tab {
  padding: 10px 20px;
  cursor: pointer;
  border-bottom: 1px solid currentColor;
}

.tab-content {
  display: none;
}

.active-tab {
  border: 1px solid currentColor;
}

.active-content {
  display: block;
}