#contenu nav ali{
    min-width: 120px;
	width:120px;
    text-align: center;
    background-color:#ff9499;
    border-radius: 5px;
    color: white;
    text-decoration: none;
    margin: 3px 3px 0px 0px;
    padding: 0px 3px 0px 3px;
}

nav a:visited{
    color: white;
}

nav a{
    color: white;
}

::-webkit-scrollbar {
    width: 12px;
}
 
::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3); 
    border-radius: 10px;
}

iframe {
  margin-top: 20px;
  margin-bottom: 30px;

  -moz-border-radius: 12px;
  -webkit-border-radius: 12px;
  border-radius: 12px;

  -moz-box-shadow: 4px 4px 14px #000;
  -webkit-box-shadow: 4px 4px 14px #000;
  box-shadow: 4px 4px 14px #000;
}
 
::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.5); 
}