body {
  font-family: Verdana;
}
HTML {
	background-color: #444444;
	overflow-y: scroll;
	background: url(3988135.jpg) no-repeat center center fixed;   
	-webkit-background-size: cover;  
	-moz-background-size: cover;  
	-o-background-size: cover;  
	background-size: cover;  
	-ms-filter: "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='3988135.jpg', sizingMethod='scale')";  
	filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='3988135.jpg', sizingMethod='scale');  
}
main {
  background: #DDD;
  width: 330px;
  margin: 20px auto;
  padding: 10px 0;
  box-shadow: 0 3px 5px rgba(0,0,0,0.3);
}
h2 {
  text-align: center;
}
p {
  font-size: 13px;
  color: #000
}
a:link, a:visited {
    font-family: Verdana;
    color: #008800;
    text-align: center;
    text-decoration: none;
    display: inline-block;
}
a:hover {
    color: #FF5544;
}
input {
  display: none;
  visibility: hidden;
}
label {
	font-size: 16px;
  display: block;
  padding: 0.5em;
  text-align: center;
  border-bottom: 1px solid #BBB;
  color: #666;
}
label:hover {
  color: #000;
}
label::before {
  font-family: Verdana;
  font-weight: bold;
  font-size: 20px;
  content: "+";
  vertical-align: middle;
  display: inline-block;
  width: 30px;
  height: 30px;
  margin-right: 3px;
  background: radial-gradient(ellipse at center, #CCC 50%, transparent 50%);
}
#expand {
  height: 0px;
  overflow: hidden;
  transition: height 0.5s;
  color: #000;
}
section {
  padding: 0 20px;
}
input[type=checkbox]:checked ~ #expand {
  height: auto;
}
input[type=checkbox]:checked ~ label::before {
  content: "-";
}