.product-tabs-nav {
  display: -ms-flex;
  display: -ms-flexbox;
  display:     flex;

  width: 100%;
  margin: 0;
  padding: 0;

  list-style-type: none;

  border: 0;
  border-bottom: 3px solid #3aaa3e;
  background-color: transparent;
}

.product-tabs-nav .tabs-nav-item {
  font-family: 'Robotomedium', sans-serif;
  font-size: 1.0625rem;

  display: -ms-flex;
  display: -ms-flexbox;
  display:     flex;

  height: 55px;
  margin-right: 5px;
  padding: 0 30px;

  cursor: pointer;
  transition: all .3s ease-in-out;
  text-transform: uppercase;

  color: #757471;
  background-color: #fff;

  align-items: center;
  -ms-flex-align: center;
  -ms-flex-pack: center;
  justify-content: center;
}

.product-tabs-nav .tabs-nav-item.active-tab {
  color: #fff;
  background-color: #4ba82e;
}

.tabs-content-item {
  display: none;

  width: 100%;
  padding: 30px 0;
}

.tabs-content-item.active-tab {
  display: block;
}