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<link rel="import" href="chrome://resources/html/polymer.html">
<dom-module id="onboarding-background">
<template>
<style>
@keyframes blue-circle-anim-x {
50% {
animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
transform: translateX(44px);
}
}
@keyframes blue-circle-anim-y {
50% {
animation-timing-function: cubic-bezier(0.55, 0, 0.2, 1);
transform: translateY(17px);
}
}
@keyframes green-rectangle-anim {
100% {
transform: rotate(360deg);
}
}
@keyframes red-triangle-anim {
50% {
animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
transform: translateY(25px) rotate(-53deg);
}
}
@keyframes yellow-semicircle-anim {
40% {
animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
transform: translateY(40px) rotate(-1deg);
}
}
@keyframes grey-rounded-rectangle-anim {
65% {
animation-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
transform: translateY(-48px) rotate(-75deg);
}
}
:host {
bottom: 0;
left: 0;
margin: auto;
overflow: hidden;
position: absolute;
right: 0;
top: 0;
z-index: -1;
}
/* The container is necessary in order for :host to hide overflowing SVGs
correctly without disturbing their positions. */
#container {
height: 100%;
left: 50%;
min-height: 700px;
min-width: 1024px;
position: absolute;
top: 50%;
transform: translate(-50%, -50%);
width: 100%;
}
img,
span {
position: absolute;
}
#blue-circle-container {
animation: blue-circle-anim-x 9s cubic-bezier(0.4, 0, 0.2, 1) infinite;
left: calc(13% - 50px); /* Relative to #yellow-dots. */
top: calc(18% - 26px); /* Relative to #yellow-dots. */
}
#blue-circle-container::after {
-webkit-mask: url(../images/background_svgs/blue_circle.svg) no-repeat
top left;
animation: blue-circle-anim-y 9s cubic-bezier(0.25, 0, 0.2, 1) infinite;
background-color: var(--navi-shape-blue-color);
content: ' '; /* Content needs to be non-empty */
height: 43px;
position: absolute;
width: 43px;
}
#yellow-dots {
-webkit-mask: url(../images/background_svgs/yellow_dots.svg) no-repeat
top left;
background-color: var(--navi-shape-yellow-dots-color);
content: ' '; /* Content needs to be non-empty */
height: 57px;
left: 13%;
top: 18%;
width: 76px;
}
#grey-rounded-rectangle {
-webkit-mask: url(../images/background_svgs/grey_rounded_rectangle.svg)
no-repeat top left;
animation: grey-rounded-rectangle-anim 10s cubic-bezier(0.4, 0, 0.2, 1)
infinite;
background-color: var(--navi-shape-grey-color);
content: ' '; /* Content needs to be non-empty */
height: 132px;
left: -42px;
top: 45%;
width: 132px;
}
#red-triangle {
-webkit-mask: url(../images/background_svgs/red_triangle.svg) no-repeat
bottom left;
animation: red-triangle-anim 9.6s cubic-bezier(0.4, 0, 0.2, 1) infinite;
background-color: var(--navi-shape-red-color);
bottom: 15%;
content: ' '; /* Content needs to be non-empty */
height: 74px;
left: 12%;
width: 65px;
}
#yellow-semicircle {
-webkit-mask: url(../images/background_svgs/yellow_semicircle.svg)
no-repeat top right;
animation: yellow-semicircle-anim 10s cubic-bezier(0.4, 0, 0.2, 1)
infinite;
background-color: var(--navi-shape-yellow-semicircle-color);
content: ' '; /* Content needs to be non-empty */
height: 171px;
right: 28.5%;
top: -50px;
transform: rotate(-7deg);
width: 211px;
}
#green-rectangle {
-webkit-mask: url(../images/background_svgs/green_rectangle.svg)
no-repeat bottom right;
animation: green-rectangle-anim 40s infinite linear;
background-color: var(--navi-shape-green-color);
bottom: 8%;
content: ' '; /* Content needs to be non-empty */
height: 371px;
right: -255px;
width: 371px;
}
#grey-oval {
-webkit-mask: url(../images/background_svgs/grey_oval.svg) no-repeat
bottom right;
background-color: var(--navi-shape-grey-color);
bottom: calc(8% + 24px); /* Relative to green-rectangle. */
content: ' '; /* Content needs to be non-empty */
height: 100px;
mix-blend-mode: multiply;
right: 48px;
width: 100px;
}
@media (prefers-color-scheme: dark) {
#grey-oval {
mix-blend-mode: screen;
}
}
</style>
<div id="container">
<!-- Using span as container for an :after element that actually contains
the blue-circle svg, because the animation needs to curve so x and y
needs to be animated separately. -->
<span id="blue-circle-container"></span>
<span id="green-rectangle"></span>
<span id="grey-oval"></span>
<span id="grey-rounded-rectangle"></span>
<span id="red-triangle"></span>
<span id="yellow-dots"></span>
<span id="yellow-semicircle"></span>
</div>
</template>
<script src="onboarding_background.js"></script>
</dom-module>
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