matrixion/resources/styles/nheko.qss

TextLabel,
QLabel {
    color: #333;
}

#chatPage,
#chatPage > * {
    background-color: white;
}

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

TimelineView,
TimelineView > * {
    background-color: white;
    border: none;
}

#scroll_widget {
    background-color: white;
}

QuickSwitcher {
    background-color: white;
}

InfoMessage {
    qproperty-textColor: #333;
    qproperty-boxColor: rgba(220, 220, 220, 120);
}

SuggestionsPopup {
    background-color: white;
}

PopupItem {
    background-color: white;
    qproperty-hoverColor: rgba(192, 193, 195, 120);
}

RoomList,
RoomList > * {
    background-color: white;
    border: none;
}

CommunitiesList,
CommunitiesList > * {
    background-color: white;
}

FlatButton {
    qproperty-foregroundColor: #495057;
}

FileItem {
    qproperty-textColor: #333;
    qproperty-backgroundColor: #f2f2f2;
    qproperty-iconColor: white;
}

AudioItem {
    qproperty-textColor: #333;
    qproperty-backgroundColor: #f2f2f2;
    qproperty-iconColor: white;
}

RaisedButton {
    qproperty-foregroundColor: white;
}

RoomInfoListItem {
    qproperty-highlightedBackgroundColor: #38A3D8;
    qproperty-hoverBackgroundColor: rgba(200, 200, 200, 100);
    qproperty-backgroundColor: white;

    qproperty-titleColor: #333;
    qproperty-subtitleColor: #5d6565;

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

    qproperty-btnColor: #ccc;
    qproperty-btnTextColor: #333;

    qproperty-timestampColor: #707070;
    qproperty-highlightedTimestampColor: #f4f4f5;

    qproperty-avatarBgColor: #eee;
    qproperty-avatarFgColor: black;

    qproperty-bubbleFgColor: white;
    qproperty-bubbleBgColor: #38A3D8;
}

CommunitiesListItem {
    qproperty-highlightedBackgroundColor: #38A3D8;
    qproperty-hoverBackgroundColor: rgba(200, 200, 200, 100);
    qproperty-backgroundColor: white;

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

#ChatPageLoadSpinner {
    qproperty-color: #acc7dc;
}

#FileUploadSpinner {
    qproperty-color: #333;
}

UserInfoWidget, UserInfoWidget > * {
    background-color: #d6dde3;
    color: #ebebeb;
}

UserInfoWidget {
    border: none;
    qproperty-borderColor: #dcdcdc;
}

UserSettingsPage {
    background-color: white;
}

#UserSettingScrollWidget {
    background-color: white;
}

Avatar {
    qproperty-textColor: black;
    qproperty-backgroundColor: #eee;
}

#displayNameLabel {
    color: #171919;
}

#userIdLabel {
    color: #555459;
}

dialogs--Logout,
dialogs--ReCaptcha,
dialogs--LeaveRoom,
dialogs--CreateRoom,
dialogs--RoomSettings,
dialogs--InviteUsers,
dialogs--ReadReceipts,
dialogs--MemberList,
dialogs--JoinRoom,
dialogs--PreviewUploadOverlay,
dialogs--UserProfile,
EditModal,
QListWidget {
    background-color: white;
    color: #495057;
}

TopSection {
    qproperty-textColor: #333;
}

WelcomePage,
LoginPage,
RegisterPage {
    background-color: white;
    color: #333;
}

emoji--Panel,
emoji--Panel > * {
    background-color: #eee;
    color: #333;
}

emoji--Category,
emoji--Category > * {
    background-color: white;
    color: #ccc;
}

FloatingButton {
    qproperty-backgroundColor: #efefef;
    qproperty-foregroundColor: black;
}

TextField {
    qproperty-backgroundColor: white;
    qproperty-inkColor: #333;
    qproperty-labelColor: #333;
}

TextInputWidget {
    qproperty-borderColor: #dcdcdc;
}

ScrollBar {
    qproperty-handleColor: #ccc;
    qproperty-backgroundColor: #efefef;
}

SideBarActions {
    border: none;
    qproperty-borderColor: #dcdcdc;
}

TopRoomBar {
    border: none;
    qproperty-borderColor: #dcdcdc;
}

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

SnackBar {
    qproperty-textColor: white;
    qproperty-bgColor: #495057;
}