@media screen and (max-width: 547px) {
  .slider { width: 390px; height: 285px; }
  .slider .slider-inner { width: 390px; height: 185px; }
  .slider .slider-inner li { width: 390px; height: 185px; }
  .slider .slider-inner li img { width: 390px; height: 185px; }
  .slider .arrow { top: 25%; }
}@media screen and (min-width: 548px) and (max-width: 969px) {
  .slider { width: 540px; height: 370px; }
  .slider .slider-inner { width: 540px; height: 270px; }
  .slider .slider-inner li { width: 540px; height: 270px; }
  .slider .slider-inner li img { width: 540px; height: 270px; }
  .slider .arrow { top: 30%; }
}@media screen and (min-width: 970px) {
  .slider { width: 780px; height: 490px; }
  .slider .slider-inner { width: 780px; height: 390px; }
  .slider .slider-inner li { width: 780px; height: 390px; }
  .slider .slider-inner li img { width: 780px; height: 390px; }
  .slider .arrow { top: 35%; }
}

.slider {
    position: relative;
    top: 45px;
    margin: 0 auto;
}

.slider .slider-inner {
    position: relative;
    top: 0;
    left: 0;
}

.slider .slider-inner li {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
    -webkit-transition: all 600ms;
    transition: all 600ms;
    pointer-events: none;
    list-style: none;
}

.slider .slider-inner li.show {
    opacity: 1;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
    z-index: 1;
    pointer-events: auto;
}

.slider .slider_nav {
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0;
    margin: 0;
    padding: 0;
}

.slider .slider_nav li {
    list-style: none;
    display: inline-block;
    width: 15px;
    height: 15px;
    margin: 0 5px;
    border-radius: 15px;
    background: #ddd;
    cursor: pointer;
    -webkit-transition: background 400ms;
    transition: background 400ms;
}

.slider .slider_nav li:hover {
    background: #aaa;
}

.slider .slider_nav li.current {
    background: #aaa;
}

.slider .arrow {
    position: absolute;
    z-index: 2;
    font-size: 20px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 40px;
    text-align: center;
    background: #666666;
    opacity: .5;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
    color: #fff;
    line-height: 40px;
    padding: 5px;
    -webkit-transition: opacity 400ms;
    transition: opacity 400ms;
}

.slider .arrow:hover {
    opacity: .7;
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";
}

.slider .arrow#arrow-prev {
    left: 60px;
    -webkit-transform: translate(-100%,-50%);
    transform: translate(-100%,-50%);
}

.slider .arrow#arrow-next {
    right: 60px;
    -webkit-transform: translate(100%,-50%);
    transform: translate(100%,-50%);
}