Overleaf/services/web/public/js/ace/theme/idle_fingers.css

.ace-idle-fingers .ace_gutter {
  background: #3b3b3b;
  color: #fff
}

.ace-idle-fingers .ace_print-margin {
  width: 1px;
  background: #3b3b3b
}

.ace-idle-fingers {
  background-color: #323232;
  color: #FFFFFF
}

.ace-idle-fingers .ace_cursor {
  color: #91FF00
}

.ace-idle-fingers .ace_marker-layer .ace_selection {
  background: rgba(90, 100, 126, 0.88)
}

.ace-idle-fingers.ace_multiselect .ace_selection.ace_start {
  box-shadow: 0 0 3px 0px #323232;
  border-radius: 2px
}

.ace-idle-fingers .ace_marker-layer .ace_step {
  background: rgb(102, 82, 0)
}

.ace-idle-fingers .ace_marker-layer .ace_bracket {
  margin: -1px 0 0 -1px;
  border: 1px solid #404040
}

.ace-idle-fingers .ace_marker-layer .ace_active-line {
  background: #353637
}

.ace-idle-fingers .ace_gutter-active-line {
  background-color: #353637
}

.ace-idle-fingers .ace_marker-layer .ace_selected-word {
  border: 1px solid rgba(90, 100, 126, 0.88)
}

.ace-idle-fingers .ace_invisible {
  color: #404040
}

.ace-idle-fingers .ace_keyword,
.ace-idle-fingers .ace_meta {
  color: #CC7833
}

.ace-idle-fingers .ace_constant,
.ace-idle-fingers .ace_constant.ace_character,
.ace-idle-fingers .ace_constant.ace_character.ace_escape,
.ace-idle-fingers .ace_constant.ace_other,
.ace-idle-fingers .ace_support.ace_constant {
  color: #6C99BB
}

.ace-idle-fingers .ace_invalid {
  color: #FFFFFF;
  background-color: #FF0000
}

.ace-idle-fingers .ace_fold {
  background-color: #CC7833;
  border-color: #FFFFFF
}

.ace-idle-fingers .ace_support.ace_function {
  color: #B83426
}

.ace-idle-fingers .ace_variable.ace_parameter {
  font-style: italic
}

.ace-idle-fingers .ace_string {
  color: #A5C261
}

.ace-idle-fingers .ace_string.ace_regexp {
  color: #CCCC33
}

.ace-idle-fingers .ace_comment {
  font-style: italic;
  color: #BC9458
}

.ace-idle-fingers .ace_meta.ace_tag {
  color: #FFE5BB
}

.ace-idle-fingers .ace_entity.ace_name {
  color: #FFC66D
}

.ace-idle-fingers .ace_collab.ace_user1 {
  color: #323232;
  background-color: #FFF980
}

.ace-idle-fingers .ace_indent-guide {
  background: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAACCAYAAACZgbYnAAAAEklEQVQImWMwMjLyZYiPj/8PAAreAwAI1+g0AAAAAElFTkSuQmCC) right repeat-y
}