Socket Up Arrow not showing up

I’m never able to get this fixed with the answers I’ve found here… The #scroll-top-link link does not show an arrow for me and I can’t change the color. Here’s the site: ttg.travel. I’ve tried the below CSS changes to no avail:
.socket_color a, .socket_color .widget_first, .socket_color strong, .socket_color b, .socket_color b a, .socket_color strong a, .socket_color #js_sort_items a:hover, .socket_color #js_sort_items a.active_sort, .socket_color .special_amp, .socket_color .taglist a.activeFilter {
color: red !important;
}

#scroll-top-link { background-color: white; color: red; border: 1px solid red; }

Thank you!