.air-slider{position:relative; margin: 0 auto;}
.air-slider .slide{width:100%;height:auto;position:absolute;overflow:hidden;opacity:0;-webkit-transition:1s ease all;transition:1s ease all;}
.air-slider .slide img{width:100%;height:auto}.air-slider .active-slide{opacity:1}

/*.air-slider .controls{width:100%;height:50px;top:calc(50% - 25px);left:0;display:-webkit-box;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-flow:row nowrap;-ms-flex-flow:row nowrap;flex-flow:row nowrap;-webkit-box-pack:justify;-webkit-justify-content:space-between;-ms-flex-pack:justify;justify-content:space-between;position:absolute}.air-slider .controls button{width:50px;height:50px;background:rgba(0,0,0,0.8);color:#fff;border:none;outline:none;cursor:pointer;font-weight:bold}