.cntDesplaza{
    width:645px;
    height:144px;
    /*padding:20px;*/
    border:1px solid gray;
    -webkit-box-sizing:border-box;
    -moz-box-sizing:border-box;
    box-sizing:border-box;
    background: black; 
}
.image-slider-wrapper{
    overflow: hidden;
}
#image_slider{
    position: relative;
    height: 144px;
    padding:0;
}
#image_slider li{
    max-width: 100%;
    float:left;
    list-style: none;
}

@keyframes moveSlideshow {
  100% { 
    transform: translateX(-66.6666%);  
  }
}