.header {
  position: absolute;
  min-width: 100%;
  min-height: 40px;
  -webkit-app-region: drag;
  -webkit-user-select: none;
  &.no-drag {
    -webkit-app-region: no-drag;
  }
  .logo {
    position: relative;
    float: right;
    top: 10px;
    right: 10px;
    z-index: 1000;
  }
  .buttons {
    display: inline-block;
    position: relative;
    top: 10px;
    left: 15px;
    z-index: 1000;
    &:hover {
      .button-minimize.enabled {
        .at2x('minimize.png', 10px, 10px);
      }
      .button-close.enabled {
        .at2x('close.png', 10px, 10px);
      }
      .button-fullscreen.enabled {
        .at2x('fullscreen.png', 10px, 10px);
      }
      .button-fullscreenclose.enabled {
        .at2x('fullscreenclose.png', 10px, 10px);
      }
    }
    .button {
      .traffic-light();
      &.button-close {
        background-color: @traffic-light-red;
        border-color: @traffic-light-red-border;
      }
      &.button-minimize {
        background-color: @traffic-light-yellow;
        border-color: @traffic-light-yellow-border;
      }
      &.button-fullscreen {
        background-color: @traffic-light-green;
        border-color: @traffic-light-green-border;
      }
      &.button-fullscreenclose {
        background-color: @traffic-light-green;
        border-color: @traffic-light-green-border;
      }
      &.disabled {
        background-color: @traffic-light-gray;
        border-color: @traffic-light-gray-border;
      }
    }
  }
}