matrixion/resources/styles/nheko-dark.qss

TextLabel,
QLabel {
    color: #caccd1;
}

TextLabel::a {
    color: #38a3d8;
}

QuickSwitcher,
ReplyPopup,
SuggestionsPopup,
UserSettingsPage,
#scroll_widget,
#UserSettingScrollWidget {
    background-color: #202228;
}

#chatPage,
#chatPage > *,
CommunitiesList,
CommunitiesList > *,
RoomList,
RoomList > *,
TimelineView,
TimelineView > *,
UserMentionsWidget,
UserMentionsWidget > * {
    background-color: #2d3139;
    border: none;
}

QLineEdit,
WelcomePage,
LoginPage,
RegisterPage,
EditModal,
emoji--Panel,
emoji--Panel > *,
dialogs--Logout,
dialogs--ReCaptcha,
dialogs--LeaveRoom,
dialogs--CreateRoom,
dialogs--RoomSettings,
dialogs--InviteUsers,
dialogs--ReadReceipts,
dialogs--JoinRoom,
dialogs--MemberList,
dialogs--PreviewUploadOverlay,
dialogs--UserProfile,
dialogs--CreateRoom > QLineEdit,
dialogs--InviteUsers > QLineEdit,
dialogs--JoinRoom > QLineEdit {
    background-color: #202228;
    color: #caccd1;
}

emoji--Panel QWidget { border: none; }
emoji--Panel QScrollBar:vertical { width: 0px; margin: 0px; }
emoji--Panel QScrollBar::handle:vertical { min-height: 30px; }

emoji--Category,
emoji--Category > * {
    background-color: #2d3139;
    color: #727274;
}

emoji--Category QLabel {
    margin: 20px 0 20px 8px;
}

TimelineItem {
    qproperty-backgroundColor: #202228;
}

#sideBar {
    border: none;
    border-right: 1px solid #202228;
    border-left: 1px solid #202228;
}

UserMentionsWidget > TimelineItem {
    qproperty-backgroundColor: #202228;
    qproperty-hoverColor: rgba(45, 49, 57, 120);
}

InfoMessage {
    qproperty-textColor: #caccd1;
    qproperty-boxColor: rgba(45, 49, 57, 120);
}

PopupItem {
    background-color: #202228;
    qproperty-hoverColor: rgba(45, 49, 57, 120);
}

TypingDisplay {
    qproperty-textColor: #caccd1;
    qproperty-backgroundColor: #202228;
}

#roomlist_area {
    background-color: #2d3139;
}

FlatButton {
    qproperty-foregroundColor: #727274;
    qproperty-backgroundColor: #333;
    qproperty-disabledForegroundColor: #222;
}

AudioItem,
FileItem {
    qproperty-textColor: #caccd1;
    qproperty-backgroundColor: #2d3139;
    qproperty-iconColor: #caccd1;
}

RaisedButton {
    qproperty-foregroundColor: #caccd1;
    qproperty-backgroundColor: #333;
}

RoomInfoListItem,
UserMentionsWidget {
    qproperty-mentionedColor: #a82353;
    qproperty-highlightedBackgroundColor: #4d84c7;
    qproperty-hoverBackgroundColor: rgb(67, 70, 77);
    qproperty-backgroundColor: #2d3139;

    qproperty-titleColor: #e4e5e8;
    qproperty-subtitleColor: #caccd1;

    qproperty-hoverTitleColor: #f4f5f8;
    qproperty-hoverSubtitleColor: white;

    qproperty-highlightedTitleColor: #f4f4f5;
    qproperty-highlightedSubtitleColor: #e4e5e8;

    qproperty-btnColor: #414A59;
    qproperty-btnTextColor: white;

    qproperty-timestampColor: #727274;
    qproperty-highlightedTimestampColor: #e7e7e9;
    qproperty-hoverTimestampColor: #f4f5f8;

    qproperty-bubbleFgColor: white;
    qproperty-bubbleBgColor: #4d84c7;
}

RoomInfoListItem > Avatar {
    qproperty-backgroundColor: #202228;
    qproperty-textColor: white;
}

CommunitiesListItem {
    qproperty-highlightedBackgroundColor: #4d84c7;
    qproperty-disabledBackgroundColor: palette(mid);
    qproperty-hoverBackgroundColor: rgb(67, 70, 77);
    qproperty-backgroundColor: #2d3139;

    qproperty-avatarBgColor: #202228;
    qproperty-avatarFgColor: black;
}

LoadingIndicator {
    qproperty-color: #caccd1;
}

UserInfoWidget, UserInfoWidget > * {
    background-color: #2d3139;
    color: #b0b3ba;
}

UserInfoWidget {
    border: none;
    border-bottom: 1px solid #202228;
}

Avatar {
    qproperty-textColor: white;
    qproperty-backgroundColor: #2d3139;
}

#displayNameLabel,
#userIdLabel {
    color: #f2f2f2;
}

TopSection {
    qproperty-textColor: #caccd1;
}

emoji--Category {
    qproperty-hoverBackgroundColor: rgb(67, 70, 77);
}

FloatingButton {
    qproperty-backgroundColor: #2d3139;
    qproperty-foregroundColor: white;
}

TextField {
    qproperty-backgroundColor: #202228;
    qproperty-inkColor: #caccd1;
    qproperty-labelColor: #caccd1;
}

SideBarActions {
    border: none;
    border-top: 1px solid #202228;
    background-color: #2d3139;
}

TextInputWidget {
    border: none;
}

TextInputWidget,
TextInputWidget > QTextEdit,
TextInputWidget > QLineEdit {
    background-color: #2d3139;
    color: #caccd1;
}

Toggle {
    qproperty-activeColor: #38a3d8;
    qproperty-disabledColor: gray;
    qproperty-inactiveColor: gray;
    qproperty-trackColor: rgb(240, 240, 240);
}

QListWidget {
    color: #caccd1;
    background-color: #202228;
}

SnackBar {
    qproperty-textColor: #caccd1;
    qproperty-bgColor: #202228;
}

QSplitter::handle { image: none; }