div.regle {
    background-image: url("../img/echelle.jpg");
    background-color: rgb(255, 255, 255);
    background-size: 96%;
    max-width: 303px;
    background-repeat: no-repeat;
    background-position: 5px 12px;
    border-radius: 0px 5px 5px;
    padding: 5px;
}
div.regle span.cursor {
    background-image: url("../img/jalon.png");
    background-size: 9px 24px;
    display: block;
    height: 24px;
    left: 30px;
    width: 9px;
    background-repeat: no-repeat;
}