learn_h5/www/lib/ionic/scss/_popover.scss

/**
 * Popovers
 * --------------------------------------------------
 * Popovers are independent views which float over content
 */

.popover-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: $z-index-popover;
  width: 100%;
  height: 100%;
  background-color: $popover-backdrop-bg-inactive;

  &.active {
    background-color: $popover-backdrop-bg-active;
  }
}

.popover {
  position: absolute;
  top: 25%;
  left: 50%;
  z-index: $z-index-popover;
  display: block;
  margin-top: 12px;
  margin-left: -$popover-width / 2;
  height: $popover-height;
  width: $popover-width;
  background-color: $popover-bg-color;
  box-shadow: $popover-box-shadow;
  opacity: 0;

  .item:first-child {
    border-top: 0;
  }

  .item:last-child {
    border-bottom: 0;
  }

  &.popover-bottom {
    margin-top: -12px;
  }
}


// Set popover border-radius
.popover,
.popover .bar-header {
  border-radius: $popover-border-radius;
}
.popover .scroll-content {
  z-index: 1;
  margin: 2px 0;
}
.popover .bar-header {
  border-bottom-right-radius: 0;
  border-bottom-left-radius: 0;
}
.popover .has-header {
  border-top-right-radius: 0;
  border-top-left-radius: 0;
}
.popover-arrow {
  display: none;
}


// iOS Popover
.platform-ios {

  .popover {
    box-shadow: $popover-box-shadow-ios;
    border-radius: $popover-border-radius-ios;
  }
  .popover .bar-header {
    @include border-top-radius($popover-border-radius-ios);
  }
  .popover .scroll-content {
    margin: 8px 0;
    border-radius: $popover-border-radius-ios;
  }
  .popover .scroll-content.has-header {
    margin-top: 0;
  }
  .popover-arrow {
    position: absolute;
    display: block;
    top: -17px;
    width: 30px;
    height: 19px;
    overflow: hidden;

    &:after {
      position: absolute;
      top: 12px;
      left: 5px;
      width: 20px;
      height: 20px;
      background-color: $popover-bg-color;
      border-radius: 3px;
      content: '';
      @include rotate(-45deg);
    }
  }
  .popover-bottom .popover-arrow {
    top: auto;
    bottom: -10px;
    &:after {
      top: -6px;
    }
  }
}


// Android Popover
.platform-android {

  .popover {
    margin-top: -32px;
    background-color: $popover-bg-color-android;
    box-shadow: $popover-box-shadow-android;

    .item {
      border-color: $popover-bg-color-android;
      background-color: $popover-bg-color-android;
      color: #4d4d4d;
    }
    &.popover-bottom {
      margin-top: 32px;
    }
  }

  .popover-backdrop,
  .popover-backdrop.active {
    background-color: transparent;
  }
}


// disable clicks on all but the popover
.popover-open {
  pointer-events: none;

  .popover,
  .popover-backdrop {
    pointer-events: auto;
  }
  // prevent clicks on popover when loading overlay is active though
  &.loading-active {
    .popover,
    .popover-backdrop {
      pointer-events: none;
    }
  }
}


// wider popover on larger viewports
@media (min-width: $popover-large-break-point) {
  .popover {
    width: $popover-large-width;
    margin-left: -$popover-large-width / 2;
  }
}