em {
    color: #fff;
}

.wk-slideshow-katana .caption {
    z-index: 5;
    position: absolute;
    right: 0;
    bottom: 40px;
    left: 30px;
    font-size: 28px;
    font-weight: 100;
    line-height: 38px;
    color: #fff;
    background: none;
}
.wk-slideshow-katana .caption2 {
    z-index: 5;
    position: absolute;
    right: 0;
    bottom: 40px;
    left: 8px;
    font-size: 55px;
    font-weight: 100;
    line-height: 100px;
    color: #fff;
    background: none;
}
@media only screen and (max-width: 600px) {
   .wk-slideshow-katana .caption2 { 
    font-size: 35px;
line-height:80px;	
}
.wk-slideshow-katana .caption {
     left:15px;
 }
}