.slider{
    width: 100%;
    height: 500px;
    /*background-color: red;*/
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}
.slider .linkSlider{
    width: inherit;
    height: inherit;
    display: none;
}
.slider .linkSlider img{
    width: inherit;
    height: inherit;
}
.slider .next{
    width: 40px;
    height: 40px;
    position: absolute;
    left: 20px;
    top: 250px;

}
.slider .prev{
    width: 40px;
    height: 40px;
    position: absolute;
    right: 20px;
    top: 250px;
    transform: rotate(180deg);
}