fembooru/ext/autocomplete/style.css

#Navigationleft .blockbody { overflow: visible; }

.tagit { background: white !important; border: 1px solid grey !important; cursor: text; }
.tagit-choice { cursor: initial; }
input[name=search] ~ input[type=submit] { display: inline-block !important; }

.tag-negative { background: #ff8080 !important; }
.tag-positive { background: #40bf40 !important; }