#Contenedor #sliderFotos
{
    float:left;
    /*height: 295px; */
    height:277px;
    overflow: hidden; 
    position: relative; 
    width: 1023px; 
}
#Contenedor #sliderContentFotos {
    width: 295px; 
    position: absolute;
    top: 0;
    margin-left: 0;
    list-style:none;
}
#Contenedor .sliderFotos {
    float: left;
    position: relative;
    display: none;
}