.tabcontainer {
  width: 100%;
  padding-top: 10px;
}

.tabmenu {
  display: flex;
  width: 100%;
  gap: 50px;
  padding: 0 20px; /* 20px left and right outer spacing */
  box-sizing: border-box;
}

.tab {
  flex: 1 1 0;
  min-width: 0;

  display: flex;
  align-items: center;
  justify-content: center; /* center horizontally */

  background: url(niet_aktieve_tab3.gif) no-repeat;
  background-size: 100% 100%;

  padding: 5px 5px 5px 5px;
  text-decoration: none;
  white-space: nowrap;
  box-sizing: border-box;


  color:blue !important;
}

.tab.active {
  background: url(aktieve_tab3.gif) no-repeat;
  background-size: 100% 100%;
  font-weight: bold;
  color: black !important; /* active text black */
  cursor: default;
}