    /* AR index  */
    
    .ar_section {
        background-color: #37373a;
        font-family: 'Prompt', sans-serif;
    }
    
    .image_b {
        padding: 0px;
        margin-bottom: -7px;
    }
    
    .article_section {
        padding: 30px 0;
    }
    
    .ar_h1 {
        font-size: 24px;
        color: #ffffff;
        padding-top: 20px;
        padding-bottom: 0px;
        text-align: center;
    }
    
    .ar_list {
        margin: 25px 0;
        text-align: center;
        width: 100%;
    }
    
    .ar_col {
        display: inline-block;
        width: 29%;
        vertical-align: top;
        padding: 0;
        margin: 0 6px 15px 6px;
        background: #0b0c0ce0;
        border-radius: 10px;
        border: 1px solid #ecbd7b;
    }
    
    .ar_img {
        position: relative;
        text-align: center;
        /*height: 168px;*/
        overflow: hidden;
        padding: 5px;
    }
    
    .ar_img img {
        width: 100%;
    }
    
    .ar_topic {
        font-family: "Kanit", Arial, Tahoma;
        font-weight: 400;
        color: #fff;
        font-size: 16px;
        text-align: center;
        /*padding: 0px 20px 10px 20px;*/
        line-height: 24px;
        /*height: 60px;*/
        overflow: hidden;
    }
    
    .ar_topic a {
        color: #fff;
        font-size: 20px;
    }
    
    .ar_btn {
        font-family: "Kanit", Arial, Tahoma;
        font-weight: 400;
        color: #9d9d9d;
        font-size: 14px;
        text-align: center;
        text-transform: capitalize;
        padding-bottom: 10px;
    }
    
    .ar_btn a {
        color: #ffc107;
    }
    
    .ar_date {
        position: absolute;
        display: inline-block;
        bottom: 0;
        right: 0;
        z-index: 999;
        background: #febc11;
        font-size: 11px;
        font-family: "Kanit", Arial, Tahoma;
        font-weight: 400;
        color: #ffffff;
        padding: 3px 20px;
        text-transform: uppercase;
        /* Permalink - use to edit and share this gradient: https://colorzilla.com/gradient-editor/#4c4c4c+0,595959+12,666666+25,474747+39,2c2c2c+50,000000+51,111111+60,2b2b2b+76,1c1c1c+91,131313+100;Black+Gloss+%231 */
        background: #4c4c4c;
        /* Old browsers */
        background: -moz-linear-gradient(top, #4c4c4c 0%, #595959 12%, #666666 25%, #474747 39%, #2c2c2c 50%, #000000 51%, #111111 60%, #2b2b2b 76%, #1c1c1c 91%, #131313 100%);
        /* FF3.6-15 */
        background: -webkit-linear-gradient(top, #4c4c4c 0%, #595959 12%, #666666 25%, #474747 39%, #2c2c2c 50%, #000000 51%, #111111 60%, #2b2b2b 76%, #1c1c1c 91%, #131313 100%);
        /* Chrome10-25,Safari5.1-6 */
        background: linear-gradient(to bottom, #4c4c4c 0%, #595959 12%, #666666 25%, #474747 39%, #2c2c2c 50%, #000000 51%, #111111 60%, #2b2b2b 76%, #1c1c1c 91%, #131313 100%);
        /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
        filter: progid: DXImageTransform.Microsoft.gradient(startColorstr='#4c4c4c', endColorstr='#131313', GradientType=0);
        /* IE6-9 */
    }
    
    @media screen and (max-width: 579px) and (min-width: 280px) {
        .ar_list {
            margin: 25px 0;
            text-align: center;
            width: 100%;
            padding-bottom: 20px;
        }
        .ar_col {
            display: block;
            width: 98%;
            max-width: 330px;
            margin: 0 auto 20px auto;
        }
    }
    /* AR index  */