body{
  background: white;
}

header h1{
  font-size: 20px;
  line-height: 54px;
  text-align: center;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
  color: rgba(255,255,255,1);
  background: rgb(192, 15, 20);
  font-weight: normal;
  padding: 0;
  margin: 0;
  box-shadow: 0 1px 10px rgba(0,0,0,.1);
}

header ul{
  padding: 0;
  margin:0;
  list-style: none;
  text-align: center;
  padding: 6px;
  background: rgba(0,0,0,0.1);
}

header li{
  display: inline-block;
  margin: 2px;
}

header input[type=radio]{
  display: none;
}

header label{
  height: 40px;
  line-height: 40px;
  padding: 0 14px;
  color: rgba(255,255,255,1);
  background-color: rgba(100,100,100,1);
  cursor: pointer;
  text-shadow: 0 0 5px rgba(0,0,0,0);
  font-size: 13px;
  font-weight: normal;
  -webkit-transition: all 0.1s ease-in-out;
  -moz-transition:    all 0.1s ease-in-out;
  -o-transition:      all 0.1s ease-in-out;
  transition:         all 0.1s ease-in-out;
}

header label:hover{
  background-color: rgba(20,20,20,1);
  -webkit-transition: all 0.1s ease-in-out;
  -moz-transition:    all 0.1s ease-in-out;
  -o-transition:      all 0.1s ease-in-out;
  transition:         all 0.1s ease-in-out;

}

header input:checked + label{
  color: rgba(255,255,255,1);
  background-color: rgba(40,40,40,1);
  box-shadow:0px 0px 0px 1px rgba(0,0,0,0.1) inset, -1px 1px 3px 0 rgba(0,0,0,0.2) inset;
  -webkit-transition: all 0.1s ease-in-out;
  -moz-transition:    all 0.1s ease-in-out;
  -o-transition:      all 0.1s ease-in-out;
  transition:         all 0.1s ease-in-out;
}

article{
  position: relative;
  width: 100%;
  display: block;
}

section {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  display: block;
  opacity: 0;
  padding: 10px;
  z-index: -1;
  -webkit-transition: all 0.2s ease-in-out;
  -moz-transition:    all 0.2s ease-in-out;
  -ms-transition:     all 0.2s ease-in-out;
  -o-transition:      all 0.2s ease-in-out;
  transition:         all 0.2s ease-in-out;
}

section.active{
  opacity: 1;
  z-index: 1;
  -webkit-transition: all 0.2s ease-in-out;
  -moz-transition:    all 0.2s ease-in-out;
  -ms-transition:     all 0.2s ease-in-out;
  -o-transition:      all 0.2s ease-in-out;
  transition:         all 0.2s ease-in-out;
}

section h2{
  font-size: 18px;
  font-weight: normal;
  padding: 10px;
  margin: 0 0 5px 0;
  border-bottom: 1px solid rgba(0,0,0,0.2);
}

section p {
  font-size: 16px;
  font-weight: normal;
  margin: 10px 0;
  padding: 0;
}

section ul {
  font-size: 16px;
  font-weight: normal;
  margin: 10px 0 10px 40px;
  padding: 0;
}