federated-calendar/data/theme/gtk-styles.css

@define-color event_shadow_color alpha(black, 0.2);

.nav-button {
    background-color: transparent;
    background-image: none;
}

/* nav-bar labels */
.start-header {
    font-size: 18pt;
    font-weight: bold;
    color: @theme_selected_bg_color;
    padding: 12px;
}

.end-header {
    font-size: 18pt;
    font-weight: bold;
    padding: 12px;
}

calendar-view {
    padding: 6px;
    font-size: 10pt;
}

calendar-view.header {
    font-weight: bold;
}

calendar-view.current {
    background-color: black;
    border-radius: 2px;
    color: white;
    font-weight: bold;
}

calendar-view:selected {
    color: @theme_selected_bg_color;
    font-weight: bold;
}

calendar-view.overflow:hover {
    font-weight: bold;
    color: @theme_selected_bg_color;
    background-image: linear-gradient(to bottom, shade(@theme_bg_color, 0.9), alpha(@theme_bg_color, 0.2) 10%,
                                      alpha(@theme_bg_color, 0.2) 95%, shade(@theme_bg_color, 0.95) 100%);
}

calendar-view.overflow {
    font-size: 8pt;
}

calendar-view.lines {
    color: alpha(@theme_fg_color, 0.4);
}

calendar-view.first-view-header {
    font-size: 16pt;
    font-weight: bold;
    color: @theme_selected_bg_color;
    padding: 12px;
}

calendar-view.second-view-header {
    font-size: 16pt;
    font-weight: bold;
    padding: 12px;
    color: alpha(@theme_fg_color, 0.55);
}

/* Year View CSS */
.year-view {
    padding: 0px;
}

/* Header the padding if for sizing, on drawing the spacing between cells,
 * and the padding will be automatically calculated
 * Because of year-view widget internals, the color property should be the same
 * of .calendar-view.first-view-header selector */
.year-navigator {
    padding: 6px 12px;
    color: @theme_selected_bg_color;
}

.year-navigator.header {
    color: @theme_selected_bg_color;
    font-weight: bold;
}

.year-navigator.lines {
    color: alpha(@theme_fg_color, 0.4);
}

.year-navigator.days {
    padding: 5px;
    color: @theme_fg_color;
    font-size: 9pt;
}

.year-navigator.sunday {
    color: alpha(@theme_fg_color, 0.5);
}

.year-navigator.week-numbers {
    font-size: 70%;
    font-weight: bold;
    border-radius: 2px;
    background-color: alpha(@theme_fg_color, 0.05);
    color: alpha(@theme_fg_color, 0.4);
}

/* these two are supposed be changed in sync with .calendar-view */
.year-navigator.current {
    background-color: black;
    border-radius: 2px;
    color: white;
    font-weight: bold;
}
.year-navigator:selected {
    color: @theme_selected_bg_color;
    font-weight: bold;
}

.year-navigator:hover {
    background-color: alpha(@theme_fg_color, 0.1);
    border-radius: 2px;
}

.year-navigator.with-events {
    background-color: @theme_fg_color;
    border-radius: 3px;
}

.year-navigator.with-events-selected {
    background-color: @theme_selected_bg_color;
}

.year-navigator.with-events-sunday {
    background-color: alpha(@theme_fg_color, 0.5);
}

.sidebar-header {
    font-weight: bold;
    font-size: 11pt;
}

.italic-label {
    font-style: italic;
}

list.sidebar {
    background-color: @theme_bg_color;
}

box.sidebar {
    background-color: @theme_bg_color;
    border-color: @borders;
    border-style: solid;
}

.year-view box.sidebar:dir(ltr) {
    border-left-width: 1px;
}

.year-view box.sidebar:dir(rtl) {
    border-right-width: 1px;
}

.year-view scrolledwindow {
    border-top-width: 0;
    border-bottom-width: 0;
}

.year-view button {
    border-radius: 0;
    border-bottom-width: 0;
}

popover.events {
    background-color: @theme_bg_color;
    padding: 0;
}

popover.events box {
    border-top-left-radius: 6px;
    border-top-right-radius: 6px;
}

popover.events list {
    background-color: @theme_bg_color;
    border-radius: 6px;
}

popover.events scrolledwindow {
    border-width: 0;
}

popover.events button {
    border-radius: 6px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    border-style: solid none none;
    box-shadow: none;
}

event-widget {
    border-radius: 2px;
    margin: 2px 2px 1px;
    padding: 3px 4px;
    font-size: 9pt;
}

event-widget.color-dark {
    color: white;
    outline-color: rgba(0, 0, 0, 0.3);
}

event-widget.color-dark:backdrop {
    color: rgba(255, 255, 255, 0.3);
}

event-widget.color-light {
    color: black;
    outline-color: rgba(255, 255, 255, 0.5);
}

event-widget.color-light:backdrop {
    color: rgba(0, 0, 0, 0.3);
}

.middle-entry {
    border-bottom-left-radius: 0px;
    border-top-left-radius: 0px;
    border-bottom-right-radius: 0px;
    border-top-right-radius: 0px;
}

.middle-entry:dir(ltr) {
    border-left: 0px;
}

.middle-entry:dir(rtl) {
    border-right: 0px;
}

.search-viewport {
  background-color: @theme_base_color;
}

/* calendar popover */
.calendar-list {
    background-color: transparent;
}

.calendar-list > list {
    border-radius: 4px;
}