*{ margin:0px; padding:0px;}
body 
{
    line-height:1.5;
    font-family:微软雅黑;
}
a{ text-decoration:none;color: #333;}
ul,li{ list-style:none; }

.gallery{ width:1200px; margin:40px auto; }
.gallery li {
    margin-left: 5px;
    margin-right: 5px;
    margin-bottom: 20px;
    float: left;
}

.gallery li .img {
    width: 290px;
    heighr: 280px;
    overflow: hidden;
}
.gallery li .img > img {
    width: 100%; 
    transition: .6s;
}
.gallery li p {
    text-align: center;
    font-size: 16px;
    line-height: 40px;
    background: #eee;
}


@media screen and (max-width: 480px)
{
    
.gallery{ width:100%; margin:40px auto; }
    .gallery li { 
        width: 100%;
    }
    .gallery li .img {
        width: 100%; 
    }
}