matrix-public-archive/public/styles/styles.css

/* apply a natural box layout model to all elements, but allowing components to change */
html {
  box-sizing: border-box;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  margin: 0;
}

/* Based on .SessionView from Hydrogen */
.ArchiveView {
  /* this takes into account whether or not the url bar is hidden on mobile
  (have tested Firefox Android and Safari on iOS),
  see https://developers.google.com/web/updates/2016/12/url-bar-resizing */
  position: fixed;
  width: 100%;
  height: 100%;
  display: grid;
  grid-template:
    'status status' auto
    'middle right' 1fr /
    1fr 300px;
  min-height: 0;
  min-width: 0;
}

.CalendarView {
  max-width: 280px;
  font: 100% system-ui;
}

.CalendarView_header {
  display: flex;
  justify-content: space-between;
}

.CalendarView_header_prevButton,
.CalendarView_header_nextButton {
  padding-left: 2em;
  padding-right: 2em;

  background: none;
  border: 0;
}

.CalendarView_header_prevButton:hover,
.CalendarView_header_nextButton:hover {
  cursor: pointer;
}

.CalendarView_heading {
  position: relative;
}

.CalendarView_heading_text {
  display: inline-flex;
  align-items: center;
}

.CalendarView_heading_monthInput {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  opacity: 0;

  cursor: pointer;
}

.fallback-input-month .CalendarView_heading_monthInput {
  display: none;
}

/* The little calendar icon button in the input that opens the date picker.
 * We're stretching this out over the heading */
.CalendarView_heading_monthInput::-webkit-calendar-picker-indicator {
  width: 100%;
  height: 100%;
  margin-left: 0;

  background-color: #f00;

  cursor: pointer;
}

.CalendarView_heading_yearSelectFallback {
  display: none;

  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;

  width: 100%;
  height: 100%;

  opacity: 0;

  cursor: pointer;
}

.fallback-input-month .CalendarView_heading_yearSelectFallback {
  display: block;
}

.CalendarView_calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);

  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}

.CalendarView_dayName {
  background: #eee;
}

.CalendarView_day {
  padding: 2px;
}

.CalendarView_dayLink {
  display: inline-block;
  width: 100%;
  padding: 2px 5px;

  text-decoration: none;
}

.CalendarView_dayLink:hover {
  background-color: rgba(141, 151, 165, 0.1);
}

.CalendarView_dayLink_active {
  background-color: #0dbd8b;
  color: #ffffff;
}

.CalendarView_dayLink_active:hover {
  background-color: #0a8f69;
}

.CalendarView_dayLink_disabled {
  opacity: 0.5;
}