.footer {
    background-color: #3c3c3c;
    display: inline-flex;
    flex-direction: column;
    justify-content: center;

    margin: 0;
    padding: 0;

    width: 100%;
    font-size: 12px;
}

.footer .category {
    display: table;
    width: 75%;
    table-layout: fixed;

    padding: 2% 0 2% 0;  /* top right bottom left */
    margin: 0 auto 0 auto;  /* center the table */

    .category_section {
        display: table-cell;
        width: 25%;
 
        .category_section_title {
            font-size: 16px;
            padding-bottom: 2px;
        }

        .category_section_item {
            color :#ddd;
            width: 90%;
            padding: 2px 0 2px 0;

            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;

            .category_section_item_title {
                color :#ffffff;
                font-size: 14px;
            }

            .tooltip_section {
                background: #F8F8F8;
                border-radius: 4px;
                /*box-shadow: 4px 4px 4px 2px rgba(0, 0, 0, 0.25);*/
                color: #3c3c3c;
                text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
        
                display: inline-flex;
                position: relative;
                visibility: visible;
                overflow: visible;
                
                left: -60px;

                z-index: 1;
        
                .category_section_item_title {
                    color: #3c3c3c;
                }
            }    

        }        
    }

}

.footer hr{
    background: rgb(60, 60, 60); /* #3c3c3c */
    background: -moz-linear-gradient(90deg, rgba(60, 60, 60,1) 0%, rgba(255,255,255,1) 50%, rgba(60, 60, 60,1) 100%);
    background: -webkit-linear-gradient(90deg, rgba(60, 60, 60,1) 0%, rgba(255,255,255,1) 50%, rgba(60, 60, 60,1) 100%);
    background: linear-gradient(90deg, rgba(60, 60, 60,1) 0%, rgba(255,255,255,1) 50%, rgba(60, 60, 60,1) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#3c3c3c",endColorstr="#3c3c3d",GradientType=1);

    width: 65%;
    height: 2px;
    border: #3c3c3c;
}

.footer a {
    text-decoration: none;
}

.footer a:hover {
    cursor: pointer;
}

.footer .copyright {
    color : #ddd;
    font-size: 12px;
    text-align: center;
    padding: 2% 0 2% 0;
}

/* Tablet - laptops: 769px to 1024px*/
@media screen and (max-width: 1023px) and (min-width: 768px) {
    .footer hr{
        width: 80%;
    }
}

/* Smart Phones - mobile devices: 320px to 480px, tablets and ipads: 481px to 768px */
@media screen and (max-width: 767px) {
    .footer {
        font-size: 12px;
        column-gap: 3%;
    }

    .footer hr{
        width: 100%;
    }

    .footer .category {
        width: 90%;
        .category_section .category_section_title {
            font-size: 14px;
        }
    }

    .footer .copyright {
        font-size: 10px;
    }
}