body
 {
    background-color: darkslategrey;
 }

.maindujoueur 
    {
    width: 200px;
    height: 200px;
    background-color: dodgerblue;
    }

.carteenjeu
    {
    width: 100;
    height: 60;
    background-color: firebrick;
    }
#conteneur
    {
    display: flex;
    }

.bouton
    {
    width: 100px;
    height: 20px;
    }