Hi,
To change all the element color your requested
Go to Appearance -> Theme Options -> Basic Settings -> Custom CSS
add below css code in custom css box and change the color code as you like
.footer li.current-menu-item a { color:#6e6d6d !important; }
.footer ul li a { color:#ffffff; }
.footer ul li a:hover { color:#6e6d6d !important; }
.textwidget a { color: #ffffff; }
.textwidget a:hover { color:#6e6d6d !important; }
.infobox a:hover { color:#333333; }
.infobox span { color: #ffffff; }
Please do this changes and let me know your feedback.
Regards
Grace Themes