.marketup:after {
    content: "";
    background: url(../images/Inr_sprite.png) no-repeat 0 0;
    width: 20px;
    height: 20px;
    position: absolute;
    /*top: 10px;*/
    margin-left: 5px;
    margin-top: -3px;
}

.marketdown:after {
    content: "";
    background: url(../images/Inr_sprite.png) no-repeat 0 -20px;
    width: 20px;
    height: 20px;
    position: absolute;
    /* top: 10px;*/
    margin-left: 5px;
    margin-top: -3px;
}