header {
  background-color: #c11b26;
  color: #fff;
  font-size:1.8em;
  padding: 20px 0;
  margin-bottom: 20px;
}

.mt-slider {
  max-width: 60%;
  margin:0 auto 40px;
}

.mt-slider img {
  display: none;
  max-width: 60%;
}

.mt-slider > img {
  display: block;
  visibility: hidden;
  margin: 40px auto 20px;
  max-width: 100%;
}

.mt-slider span {
  border: 1px solid #ccc;
  border-radius: 2px;
  padding: 8px 12px;
  margin: 4px;
  cursor: pointer;
  display: inline-block;
}

.mt-slider input {
  display:none;
}

.mt-slider input:checked ~ span {
  border-color: #c11b26;
}

.mt-slider input:checked ~ img {
  display: block;
  position: absolute;
  top:20px;
  left:20%;
}

.mt-redbox {
  border: 5px solid #4bec37;
  padding: 20px 30px;
}

.mt-brand {
  color: #ff812d;
}

.mt-spacer-xs {
  display: block;
  height: 20px;
  width: 100%;
}

.mt-spacer-sm {
  display: block;
  height: 40px;
  width: 100%;
}

.mt-spacer-md {
  display: block;
  height: 60px;
  width: 100%;
}

@media screen and (max-width : 767px) {
  .mt-slider {
    max-width: 100%;
  }

  .mt-slider input:checked ~ img {
    max-width: 95%;
    margin-left:2.5%;
    left:0;
  }
}