AdminLTE/build/less/fullcalendar.less

/*
 * Plugin: Full Calendar
 * ---------------------
 */
//Fullcalendar buttons
.fc-button {
  background: #f4f4f4;
  background-image: none;
  color: #444;
  border-color: #ddd;
  border-bottom-color: #ddd;
  &:hover,
  &:active,
  &.hover {
    background-color: #e9e9e9;
  }
}

// Calendar title
.fc-header-title h2 {
  font-size: 15px;
  line-height: 1.6em;
  color: #666;
  margin-left: 10px;
}

.fc-header-right {
  padding-right: 10px;
}

.fc-header-left {
  padding-left: 10px;
}

// Calendar table header cells
.fc-widget-header {
  background: #fafafa;
}

.fc-grid {
  width: 100%;
  border: 0;
}

.fc-widget-header:first-of-type,
.fc-widget-content:first-of-type {
  border-left: 0;
  border-right: 0;
}

.fc-widget-header:last-of-type,
.fc-widget-content:last-of-type {
  border-right: 0;
}

.fc-toolbar {
  padding: @box-padding;
  margin: 0;
}

.fc-day-number {
  font-size: 20px;
  font-weight: 300;
  padding-right: 10px;
}

.fc-color-picker {
  list-style: none;
  margin: 0;
  padding: 0;
  > li {
    float: left;
    font-size: 30px;
    margin-right: 5px;
    line-height: 30px;
    .fa {
      .transition-transform(linear .3s);
      &:hover {
        .rotate(30deg);
      }
    }
  }
}

#add-new-event {
  .transition(all linear .3s);
}

.external-event {
  padding: 5px 10px;
  font-weight: bold;
  margin-bottom: 4px;
  box-shadow: @box-boxshadow;
  text-shadow: @box-boxshadow;
  border-radius: @box-border-radius;
  cursor: move;
  &:hover {
    box-shadow: inset 0 0 90px rgba(0, 0, 0, 0.2);
  }
}