.l-content .downloadBtn {
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    width: 109px;
    margin: 0 auto;
}

.l-content .downloadBtn a {
    width: 109px;
    height: 19px;
    display: block;
    background: url(/maker/misumi/mech/special/actuator_portal/ra/download/img/btn_download.png) no-repeat 0 0;
}