.aim {
    position: relative;
    overflow: hidden;
    margin: 0;
    clear: both;
    padding: 0;
}

    .aim a {
        background-position: center center;
        cursor: pointer;
        display: block;
        overflow: hidden;
        position: relative;
        float: left;
        text-decoration: none;
    }

        .aim a:hover, .aim a:visited {
            text-decoration: none;
        }

    .aim ul {
        list-style: none;
    }

    .aim li {
        display: block;
        overflow: hidden;
        float: left;
    }

    .aim a span {
        color: #FFFFFF;
        bottom: 20px;
        /* left: 70px; */
        width: 670px;
        display: block;
        padding: 2px 5px 5px;
        position: absolute;
        background-color: #010101;
        background-color: rgba(1, 1, 1, 0.5);
        font-size: 12px;
        font-weight: bold;
        height: 35px;
        line-height: 18px;
    }