nixos-configs/config/ags/scss/widgets/systray.scss

.sys-tray {
  padding: 5px;
  background-color: $bg;
  border-radius: 80px;
  border: 2px solid $bgSecondary;
  transition: background-color 0.5s ease-in-out,
              border 0.5s ease-in-out;

  .tray-item {
    image { color: #CBA6F7; }
    background-color: transparent;
    padding: 0px 2px 0px 2px;
    border-radius: 100%;
    transition: all 0.5s ease-in-out;

    &:hover {
      border-radius: 100%;
      transition: all 0.5s ease-in-out;
    }

    * {
      font-size: 25px;
      border-radius: 10px;
    }
  }

  menubar {
    background-color: transparent;
  }

  menuitem:not(.tray-item) {
    padding: 5px;
    transition: all 0.2s ease-in-out;

    &:hover {
      background: #1b1b1b;
    }
  }
}