CSS Visited Showing White

Find this code in your files and change the color white to something else.

.widget_categories li:visited, .widget_archive li:visited, .read_more_button:visited, .action_button a:visited, a[rel~="category"]:visited, .tagcloud a:visited, .rev_slider .tp-button:visited, ul.sub-menu a:visited {
    color: orange; /* Orginal is 'white' */
}