.in {
  position: absolute;
  opacity: 0;
  z-index: -1;
}



.row .col-sm-12:last-child {
  margin-left: 1em;
}

/* Accordion styles */
.tabs {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 4px -2px rgba(0, 0, 0, 0.5);
}

.tab {
  width: 100%;
  color: white;
  overflow: hidden;
}
.tab-label {
  display: flex;
  justify-content: space-between;
  padding: 1em;
  background: #2c3e50;
  font-weight: bold;
  cursor: pointer;
  /* Icon */
}
.tab-label:hover {
  background: #1a252f;
}
.tab-label::after {
  content: "\276F";
  width: 1em;
  height: 1em;
  text-align: center;
  transition: all .35s;
}
.tab-content {
  max-height: 0;
  padding: 0 1em;
  color: #2c3e50;
  background: white;
  transition: all .35s;
}
.tab-close {
  display: flex;
  justify-content: flex-end;
  padding: 1em;
  font-size: 0.75em;
  background: #2c3e50;
  cursor: pointer;
}
.tab-close:hover {
  background: #1a252f;
}


input:checked + .tab-label {
  background: #1a252f;
}
input:checked + .tab-label::after {
  -webkit-transform: rotate(90deg);
          transform: rotate(90deg);
}
input:checked ~ .tab-content {
  max-height: 1000vh !important ; 
  padding: 1em;
}