ionic-framework/scss/_scaffolding.scss

/**
 * Scaffolding
 * --------------------------------------------------
 */

*,
*:before,
*:after {
  @include box-sizing(border-box);
}

html {
  overflow: hidden;
  -ms-touch-action: pan-y;
  touch-action: pan-y;
}

body,
.ionic-body {
  @include touch-callout(none);
  @include font-smoothing(antialiased);
  @include text-size-adjust(none);
  @include tap-highlight-transparent();
  @include user-select(none);

  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;

  margin: 0;
  padding: 0;

  color: $base-color;
  word-wrap: break-word;
  font-size: $font-size-base;
  font-family: $font-family-base;
  line-height: $line-height-computed;
  text-rendering: optimizeLegibility;
  -webkit-backface-visibility: hidden;
  -webkit-user-drag: none;
}

body.grade-b,
body.grade-c {
  // disable optimizeLegibility for low end devices
  text-rendering: auto;
}

.content {
  // used for content areas not using the content directive
  position: relative;
}

.scroll-content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;

  // Hide the top border if any
  margin-top: -1px;

  // Prevents any distortion of lines
  padding-top:1px;

  width: auto;
  height: auto;
}

.scroll-content-false,
.menu .scroll-content.scroll-content-false{
  z-index: $z-index-scroll-content-false;
}

.scroll-view {
  position: relative;
  display: block;
  overflow: hidden;

  // Hide the top border if any
  margin-top: -1px;
}

/**
 * Scroll is the scroll view component available for complex and custom
 * scroll view functionality.
 */
.scroll {
  @include user-select(none);
  @include touch-callout(none);
  @include text-size-adjust(none);
  @include transform-origin(left, top);
}

// hide webkit scrollbars
::-webkit-scrollbar {
  display:none;
}

// Scroll bar styles
.scroll-bar {
  position: absolute;
  z-index: $z-index-scroll-bar;
}
// hide the scroll-bar during animations
.ng-animate .scroll-bar {
  visibility: hidden;
}
.scroll-bar-h {
  right: 2px;
  bottom: 3px;
  left: 2px;
  height: 3px;

  .scroll-bar-indicator {
    height: 100%;
  }
}

.scroll-bar-v {
  top: 2px;
  right: 3px;
  bottom: 2px;
  width: 3px;

  .scroll-bar-indicator {
    width: 100%;
  }
}
.scroll-bar-indicator {
  position: absolute;
  border-radius: 4px;
  background: rgba(0,0,0,0.3);
  opacity: 1;
  @include transition(opacity .3s linear);

  &.scroll-bar-fade-out {
    opacity: 0;
  }
}
.grade-b .scroll-bar-indicator,
.grade-c .scroll-bar-indicator {
  // disable rgba background and border radius for low end devices
  border-radius: 0;
  background: #aaa;

  &.scroll-bar-fade-out {
    @include transition(none);
  }
}

@keyframes refresh-spin {
  0% { transform: translate3d(0,0,0) rotate(0); }
  100% { transform: translate3d(0,0,0) rotate(180deg); }
}

@-webkit-keyframes refresh-spin {
  0% {-webkit-transform: translate3d(0,0,0) rotate(0); }
  100% {-webkit-transform: translate3d(0,0,0) rotate(180deg); }
}

@keyframes refresh-spin-back {
  0% { transform: translate3d(0,0,0) rotate(180deg); }
  100% { transform: translate3d(0,0,0) rotate(0); }
}

@-webkit-keyframes refresh-spin-back {
  0% {-webkit-transform: translate3d(0,0,0) rotate(180deg); }
  100% {-webkit-transform: translate3d(0,0,0) rotate(0); }
}

// Scroll refresher (for pull to refresh)
.scroll-refresher {
  position: absolute;
  top: -60px;
  right: 0;
  left: 0;
  overflow: hidden;
  margin: auto;
  height: 60px;

  .ionic-refresher-content {
    position: absolute;
    bottom: 15px;
    left: 0;
    width: 100%;
    color: $scroll-refresh-icon-color;
    text-align: center;

    font-size: 30px;

    .text-refreshing,
    .text-pulling {
      font-size: 16px;
      line-height: 16px;
    }
    &.ionic-refresher-with-text {
      bottom: 10px;
    }
  }

  .icon-refreshing,
  .icon-pulling {
    width: 100%;
    -webkit-backface-visibility: hidden;
    -webkit-transform-style: preserve-3d;
    backface-visibility: hidden;
    transform-style: preserve-3d;
  }
  .icon-pulling {
    @include animation-name(refresh-spin-back);
    @include animation-duration(200ms);
    @include animation-timing-function(linear);
    @include animation-fill-mode(none);
    -webkit-transform: translate3d(0,0,0) rotate(0deg);
    transform: translate3d(0,0,0) rotate(0deg);
  }
  .icon-refreshing,
  .text-refreshing {
    display: none;
  }
  .icon-refreshing {
    @include animation-duration(1.5s);
  }

  &.active {
    .icon-pulling:not(.pulling-rotation-disabled) {
      @include animation-name(refresh-spin);
      -webkit-transform: translate3d(0,0,0) rotate(-180deg);
      transform: translate3d(0,0,0) rotate(-180deg);
    }
    &.refreshing {
      @include transition(transform .2s);
      @include transition(-webkit-transform .2s);
      -webkit-transform: scale(1,1);
      transform: scale(1,1);
      .icon-pulling,
      .text-pulling {
        display: none;
      }
      .icon-refreshing,
      .text-refreshing {
        display: block;
      }
      &.refreshing-tail{
        -webkit-transform: scale(0,0);
        transform: scale(0,0);
      }
    }
  }
}

ion-infinite-scroll {
  height: 60px;
  width: 100%;
  opacity: 0;
  display: block;

  @include transition(opacity 0.25s);
  @include display-flex();
  @include flex-direction(row);
  @include justify-content(center);
  @include align-items(center);

  .icon {
    color: #666666;
    font-size: 30px;
    color: $scroll-refresh-icon-color;
  }

  &.active {
    opacity: 1;
  }
}

.overflow-scroll {
  overflow-x: hidden;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  position: absolute;

  .scroll {
    position: static;
    height: 100%;
    -webkit-transform: translate3d(0, 0, 0);   // fix iOS bug where relative children of scroller disapear while scrolling.  see: http://stackoverflow.com/questions/9807620/ipad-safari-scrolling-causes-html-elements-to-disappear-and-reappear-with-a-dela
  }
}


// Pad top/bottom of content so it doesn't hide behind .bar-title and .bar-tab.
// Note: For these to work, content must come after both bars in the markup
/* If you change these, change platform.scss as well */
.has-header {
  top: $bar-height;
}
// Force no header
.no-header {
  top: 0;
}

.has-subheader {
  top: $bar-height * 2;
}
.has-tabs-top {
  top: $bar-height + $tabs-height;
}
.has-header.has-subheader.has-tabs-top {
  top: 2 * $bar-height + $tabs-height;
}

.has-footer {
  bottom: $bar-height;
}
.has-subfooter {
  bottom: $bar-height * 2;
}

.has-tabs,
.bar-footer.has-tabs {
  bottom: $tabs-height;
}

.has-footer.has-tabs {
  bottom: $tabs-height + $bar-height;
}

// A full screen section with a solid background
.pane {
  @include translate3d(0,0,0);
  z-index: $z-index-pane;
}
.view {
  z-index: $z-index-view;
}
.pane,
.view {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: $base-background-color;
  overflow: hidden;
}

ion-nav-view {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
}