.tab-group {
  box-shadow: 0 0 0 18px white, 0 0 0 20px #b3b7c1;
  margin-top: 40px;
}

.tab-group-openers {
  display: flex;
  justify-content: stretch;
  line-height: 40px;
  font-size: 14px;
  margin-bottom: 40px;
}

.tab-opener {
  display: inline-block;
  flex: 1;
  text-align: center;
  padding: 0 13px;
  margin: 0 2px;
  background-color: #b3b7c1;
  color: white;
  font-size: 16px;
  text-transform: uppercase;
  font-weight: 600;
  transition: all .2s ease;
  box-shadow: inset 0 -4px 4px rgba(0, 0, 0, 0.1);
  border-top: 5px solid transparent;
}
.tab-opener:not(.tab-visible):hover {
  cursor: pointer;
  background-color: transparent;
  color: rgb(52, 48, 58);
  box-shadow: none;
  border-top-color: grey;
}

.tab-opener.tab-visible {
  background-color: transparent;
  color: rgb(52, 48, 58);
  border-top-color: #5F98C2;
  box-shadow: none;
}