.ui-icon-C1:after {
    background-image: url("../_assets/img/perso-icons/C1-icon.png");
    /* Make your icon fit */
    background-size: 18px 18px;
}
.ui-icon-C2:after {
    background-image: url("../_assets/img/perso-icons/C2-icon.png");
    /* Make your icon fit */
    background-size: 18px 18px;
}
.ui-icon-C3:after {
    background-image: url("../_assets/img/perso-icons/C3-icon.png");
    /* Make your icon fit */
    background-size: 18px 18px;
}
.ui-icon-C4:after {
    background-image: url("../_assets/img/perso-icons/C4-icon.png");
    /* Make your icon fit */
    background-size: 18px 18px;
}
.ui-icon-C5:after {
    background-image: url("../_assets/img/perso-icons/C5-icon.png");
    /* Make your icon fit */
    background-size: 18px 18px;
}
.ui-icon-fillingstation:after {
    background-image: url("../_assets/img/perso-icons/fillingstation-icon.png");
    /* Make your icon fit */
    background-size: 18px 18px;
}
.ui-icon-borne:after {
    background-image: url("../_assets/img/perso-icons/borne-de-recharge.png");
    /* Make your icon fit */
    background-size: 18px 18px;
}