.tab {
  overflow: hidden;
  background-color: #080808;
  display: flex;
}

.tab button {
  background-color: inherit;
  flex: 1;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  transition: 0.3s;
  text-align: center;
  border-radius: 16px;
}

.tab button:hover {
  background-color: #808080;
}

.tab button.active {
  background-color: #606060;
  opacity: 0.8;
}

.tabcontent {
  display: none;
  padding: 6px 12px;
  border-top: none;
}