@media screen and(min-width:768px){
    .content {
        font-size: 24px;
    }
    .det{
        font-size: 14px;
    }
}

@media screen and(max-width:767px){
    .content {
        font-size: 14px;
    }
    .det{
        font-size: 10px;
    }
}


.container {
    width: 1000px;
    margin: 50px auto;
}
.itemWrap {
    height: auto;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    display: inline-block;
    padding: 0;
    img{
        width: 100%;
        height: auto;
    }
}
.content {
    position: absolute;
    z-index: 2;
    // background: rgba(0, 0, 0, 0.5);
    background-color: rgba(19,192,223,0.65);
    width: 100%;
    height: 100%;
    left: -100%;
    top: -100%;
    text-align: center;
    color: #fff;
    line-height: 2;
    padding: 20px 30px;
    .det{
        text-align: left;
        line-height: 1.5;
        color: #f5f5f5;
    }
}

.content.active {
    transition: all .3s ;
    -webkit-transition: all .3s ;
    -ms-transition: all .3s  ;
    -o-transition:  all .3s ;
    -moz-transition: all .3s  ;
    backface-visibility: hidden;
}
