Fix

.side .md h1, .side .md h2, .side .usertext-edit textarea h1, .side .usertext-edit textarea h2 {
    color: #fff;
}

.side .md .-text, .side .md p, .side .md pre>code, .side .md th, .side .md td, .side .md li, .side .usertext-edit textarea .-text, .side .usertext-edit textarea p, .side .usertext-edit textarea pre>code, .side .usertext-edit textarea th, .side .usertext-edit textarea td, .side .usertext-edit textarea li {
    color: #fff
}