.tabs {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.tabs label {
  -webkit-box-ordinal-group: 2;
  -webkit-order: 1;
  -ms-flex-order: 1;
  order: 1;
  display: block;
  padding: 1rem 2rem;
  margin-right: 0.2rem;
  cursor: pointer;
  background: #0077bc;
  font-weight: bold;
  -webkit-transition: background ease 0.2s;
  transition: background ease 0.2s;
  color: white;
}
.tabs .tab {
 -webkit-box-ordinal-group: 100;
-webkit-order: 99;
-ms-flex-order: 99;
order: 99;
-webkit-box-flex: 1;
-webkit-flex-grow: 1;
-ms-flex-positive: 1;
flex-grow: 1;
width: 100%;
display: none;
padding: 1rem;
background: #fafafa;
line-height: 1.5em;
font-size: 17px;
text-align: left;
}
.tabs input[type="radio"] {
  position: absolute;
  opacity: 0;
}
.tabs input[type="radio"]:checked + label { background: #0b6396; }
.tabs input[type="radio"]:checked + label + .tab { display: block; }

@media (max-width: 45em) {
.tabs .tab,  .tabs label {
  -webkit-box-ordinal-group: NaN;
  -webkit-order: initial;
  -ms-flex-order: initial;
  order: initial;
}
.tabs label {
  width: 100%;
  margin-right: 0;
  margin-top: 0.2rem;
}
}