body {
  margin: 0;
  padding: 0;
  font: 1em/1.25 Verdana,sans-serif;
}
body {  -webkit-animation: bugfix infinite 1s;}
@-webkit-keyframes bugfix { from { padding: 0; } to { padding: 0; }}
main {
  display: block;
  margin-left: 10px;
}
nav {
  position: relative;
  width: 200px;
  min-height: 2em;
  border: 1px solid #CCC;
  line-height: 2em;
  font-family: Comic Sans MS,Candara,Verdana;
  font-size: 1.2em;
  color: #FFFFFF;
  cursor: pointer;
  z-index: 99;
}
nav ul {
  position: absolute;
  left: -1px;
  width: 100%;
  margin: 0;
  padding: 0;
  border: inherit;
  background:#555; 
  background: linear-gradient( #777, #2C2C2C);
  border-radius: 8px;
  box-shadow: 0 0 5px rgba( 0, 0, 0, 0.5), 0 -1px 0 rgba( 255, 255, 255, 0.4);
}
nav li {
  margin: 10px;
  white-space: nowrap;
  list-style-type: none;
}
nav a {
  display: block;
  text-decoration:none;
  font-family: Comic Sans MS,Candara,Verdana;
  font-size: 13.0pt;
  color: #FFFFFF;
  text-shadow: 0px 1px 0px black;
  text-shadow: 0px 1px 0px rgba( 255, 255, 255, 0.2);

}
nav li:hover a {color: black; background: #666; background: linear-gradient( #999, #333);}
 
#menu_expand {
  position: absolute;
  left: -9999em;
}
[for="menu_expand"] {
  display: block;
  text-indent: .25em;
  background:#555; 
  background: linear-gradient( #777, #2C2C2C);
  border-radius: 4px;
  box-shadow: 0 0 5px rgba( 0, 0, 0, 0.5), 0 -1px 0 rgba( 255, 255, 255, 0.4);
  margin: 1px;
  cursor: pointer;
}
[for="menu_expand"]:before {
  content: "\2630";  
  display: block;
  position: absolute;
  top: 0;
  right: 0;
  width: 1em;
  text-align: center;
  text-indent: 0;
  font-size: 2em;
  color: #FFFFFF;
  font-weight: bold;}
 
/* on traite la liste menu */
#menu_expand:not(:checked) ~ ul {
  display: none;
  position: absolute;
  left: -1px;
  width: 100%;
  margin: 0;
  padding: 0;
  border: inherit;
  background: #FFF;
}
#menu_expand:checked ~[for="menu_expand"]:before {
  content: "\2716";
}