body {
   background-color: black;
   margin-top: 12px;
}

#container {
   align: center;
   width: 932px;
   margin-left: auto;
   margin-right: auto;
}
.player {
   float: left;
   margin-top: 20px;
   margin-bottom: 10px;
}

ul { 
   height: 345px;
   width: 438px;
   color: white;
   font-family: bank gothic;
   font-size: 15px;
   float: right;
   padding: 0px;
   margin: 0px;
   padding-right: 20px;
   margin-top: 20px;
   margin-bottom: 9px;
}

li {
   margin-left: 30px;
   margin-bottom: 20px;
   list-style-image: url('./lecture.png');
}   

ul h1 {
   font-size: 17px;
   font-weight: bold;
}

li a:link , li a:hover, li a:visited{

   text-decoration: none;
   color: white;
}
#container2 {
   align: center;
   width: 932px;
   margin-left: auto;
   margin-right: auto;
}
.boite1 {
   float: left;
   margin-top: 300px;
   margin-left: 70px;
}
.boite2 {
   float: left;
   margin-left: 7px;
}
.boite3{
   float: left;
   margin-left: 7px;
}
.boite1 a:link , li a:hover, li a:visited{
   text-decoration: none;
}
.boite2 a:link , li a:hover, li a:visited{
   text-decoration: none;
}
.boite2 a:link , li a:hover, li a:visited{
   text-decoration: none;
}