message: Android header animation
diff: top: 0;
  right: 0;
  left: 0;
  - background: var(--vk-color);
  color: #fff;
  z-index: 5;
  }
  .View--ios .View__header-in {
  height: 64px;
  + background: var(--vk-color);
  }
  .View--ios .View__header-item {
  * Panels
  */
  .View--ios .View__panels {}
  +
  .View--ios.View--header .View__panels {
  top: 64px;
  }
  * Header
  */
  .View--android .View__header {
  - height: 56px;
  + height: 80px;
  }
  .View--android .View__header-in {
  + height: 80px;
  + background: var(--vk-color);
  + }
  +
  + .View--android .View__header-item {
  + top: 24px;
  height: 56px;
  + background: var(--vk-color);
  + }
  +
  + /**
  + * Header transition
  + */
  + .View--android .View__header-item--prev,
  + .View--android .View__header-item--next {
  + visibility: visible;
  + transition:
  + transform .3s var(--android-easing) .2s,
  + opacity .3s var(--android-easing) .2s,
  + visibility .3s var(--android-easing) .2s;
  + }
  + .View--android .View__header-item {
  + transform: translate3d(0, 0, 0);
  + }
  + .View--android .View__header-item--next {
  + transform: translate3d(0, 0, 0);
  + }
  + .View--android .View__header-item--next ~ .View__header-item {
  + transform: translate3d(0, 80px, 0);
  + opacity: 0;
  + visibility: hidden;
  + }
  +
  + /**
  + * Active header
  + */
  + .View--android .View__header-item--active {
  + visibility: visible;
  + transform: translate3d(0, 0, 0);
  + }
  + .View--android .View__header-item--active ~ .View__header-item {
  + transform: translate3d(0, 80px, 0);
  }
  .View--android .View__header-title {
  * Panels
  */
  .View--android .View__panels {}
  + .View--android.View--header .View__panels {
  + top: 80px;
  + }
  .View--android .View__panel {
  background: #fff;
  }
  .View--android .View__panel--next {
  transform: translate3d(0, 0, 0);
  + opacity: 1;
  }
  .View--android .View__panel--next ~ .View__panel {
  - transform: translate3d(0, 10%, 0);
  + transform: translate3d(0, 80px, 0);
  opacity: 0;
  visibility: hidden;
  }
  content: none;
  }
  .View--android .View__panel--active ~ .View__panel {
  - transform: translate3d(0, 10%, 0);
  + transform: translate3d(0, 80px, 0);
  }
  