body{
     padding : 0px;
     margin : 0px;
}

canvas{
     display : block;
     margin : 0;
     /* position : absolute; */
     margin-left: auto;
     margin-right: auto;
     width:50%;
     /* transform : translate(-50%, -50%); */
}

.controls-robot-rouge{
     width: 30%;
     border: 5px red solid;
     text-align:center;
     margin-left: auto;
     margin-right: auto;
}

.controls-robot-bleu{
     width: 30%;
     border: 5px blue solid;
     text-align:center;
     margin-left: auto;
     margin-right: auto;
}
.controls>h3{
     text-align:center;
     font-style:italic;
}