.Filexlsxclass:before {
        /* Excel file */
        width: 16px;
        vertical-align: bottom;
        margin: 4px 0px 2px 0px;
        padding: 4px 0px 1px 0px;
        background-color: #fff;
        color: #090;
        border: 1px solid #090;
        border-top-right-radius: 7px;
        box-shadow: 1px 1px #ccc;
        font-size: 8px;
        font-weight: 700;
        font-family: tahoma, arial, sans-serif;
        letter-spacing: 0.001em;
        line-height: 16px;
        text-decoration: none;
        display: inline-block;
        box-sizing: content-box;
        content: 'XLS';
    }

    .Filedocxclass:before {
        /* Docx file */
        width: 16px;
        vertical-align: bottom;
        margin: 4px 0 2px 4px;
        padding: 4px 0 1px 0px;
        background-color: #fff;
        color: #00d;
        border: 1px solid #00d;
        border-top-right-radius: 7px;
        box-shadow: 1px 1px #ccc;
        font-size: 7.7px;
        font-weight: 700;
        font-family: sans-serif;
        line-height: 16px;
        text-decoration: none;
        display: inline-block;
        box-sizing: content-box;
        content: 'DOC';
    }

    .Filepdfclass:before {
        /* Pdf file */
        width: 16px;
        vertical-align: bottom;
        margin: 4px 0 2px 4px;
        padding: 4px 0 1px 0px;
        background-color: #fff;
        color: red;
        border: 1px solid red;
        border-top-right-radius: 7px;
        box-shadow: 1px 1px #ccc;
        font-size: 7.7px;
        font-weight: 700;
        font-family: sans-serif;
        line-height: 16px;
        text-decoration: none;
        display: inline-block;
        box-sizing: content-box;
        content: 'PDF';
    }

    .Filetxtclass:before {
        /* txt file */
        width: 16px;
        vertical-align: bottom;
        margin: 4px 0 2px 4px;
        padding: 4px 0 1px 0px;
        background-color: #fff;
        color: black;
        border: 1px solid black;
        border-top-right-radius: 7px;
        box-shadow: 1px 1px #ccc;
        font-size: 7.7px;
        font-weight: 700;
        font-family: sans-serif;
        line-height: 16px;
        text-decoration: none;
        display: inline-block;
        box-sizing: content-box;
        content: 'txt';
    }