Hi,
@eamon
Please use this code in your custom css
Goto : wp-admin > appearance > customize > custom css
ul.name.hierarchial li a , ul.bbp-topics-widget.newness li a , ul.vibeposts li h5 a {
color:rgba(1,39,142,.85)!important;
font-size :18px;
}
output: http://prntscr.com/qr967x http://prntscr.com/qr98fm