/*#expand {
  height: 0px;
  overflow: hidden;
  transition: height 0.5s;
  background: url(http://placekitten.com/g/600/300);
  color: #FFF;
}
section {
  padding: 0 20px;
}
#toggle:checked ~ #expand {
  height: 250px;
}
#toggle:checked ~ label::before {
  content: "-";
}*/
/*.mystyle {
    width: 100%;
    padding: 25px;
    background-color: coral;
    color: white;
    font-size: 25px;
}*/
/*input {
  display: none;
  visibility: hidden;
}*/
label {
  display: block;
  padding: 0.5em;
  text-align: center;
  border-bottom: 1px solid #CCC;
  color: #666;
}
label:hover {
  color: #000;
}
label::before {
  font-family: Consolas, monaco, monospace;
  font-weight: bold;
  font-size: 15px;
  content: "+";
  vertical-align: text-top;
  display: inline-block;
  width: 20px;
  height: 20px;
  margin-right: 3px;
  background: radial-gradient(ellipse at center, #CCC 50%, transparent 50%);
}
#oculto {
  height: 0px;
  overflow: hidden;
  transition: height 0.5s;
  color: #FFF;
}
#toggle:checked ~ #oculto {
  height: 750px;
}
#toggle:checked ~ label::before {
  content: "-";
}