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Added book_loader.css #20

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9a11521
Create book_loader.css
styles3544 Oct 17, 2019
187717d
Merge pull request #1 from styles3544/styles3544-patch-1
styles3544 Oct 17, 2019
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206 changes: 206 additions & 0 deletions styles/book_loader.css
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Original file line number Diff line number Diff line change
@@ -0,0 +1,206 @@
.book {
--color: #fff;
--duration: 6.8s;
width: 32px;
height: 12px;
position: relative;
margin: 32px 0 0 0;
//Demo
zoom: 1.5;
.inner {
width: 32px;
height: 12px;
position: relative;
transform-origin: 2px 2px;
transform: rotateZ(-90deg);
animation: book var(--duration) ease infinite;
.left,
.right {
width: 60px;
height: 4px;
top: 0;
border-radius: 2px;
background: var(--color);
position: absolute;
&:before {
content: '';
width: 48px;
height: 4px;
border-radius: 2px;
background: inherit;
position: absolute;
top: -10px;
left: 6px;
}
}
.left {
right: 28px;
transform-origin: 58px 2px;
transform: rotateZ(90deg);
animation: left var(--duration) ease infinite;
}
.right {
left: 28px;
transform-origin: 2px 2px;
transform: rotateZ(-90deg);
animation: right var(--duration) ease infinite;
}
.middle {
width: 32px;
height: 12px;
border: 4px solid var(--color);
border-top: 0;
border-radius: 0 0 9px 9px;
transform: translateY(2px);
}
}
ul {
margin: 0;
padding: 0;
list-style: none;
position: absolute;
left: 50%;
top: 0;
li {
height: 4px;
border-radius: 2px;
transform-origin: 100% 2px;
width: 48px;
right: 0;
top: -10px;
position: absolute;
background: var(--color);
transform: rotateZ(0deg) translateX(-18px);
animation-duration: var(--duration);
animation-timing-function: ease;
animation-iteration-count: infinite;
$i: 0;
@while $i < 19 {
&:nth-child(#{$i}) {
animation-name: page-#{$i};
}
$i: $i + 1;
}
}
}
}

$i: 0;
@while $i < 19 {
$delay: $i * 1.86;
$delay-after: $i * 1.74;
@keyframes page-#{$i} {
#{4 + $delay}% {
transform: rotateZ(0deg) translateX(-18px);
}
#{13 + $delay-after}%,
#{54 + $delay}% {
transform: rotateZ(180deg) translateX(-18px);
}
#{63 + $delay-after}% {
transform: rotateZ(0deg) translateX(-18px);
}
}
$i: $i + 1;
}

@keyframes left {
4% {
transform: rotateZ(90deg);
}
10%,
40% {
transform: rotateZ(0deg);
}
46%,
54% {
transform: rotateZ(90deg);
}
60%,
90% {
transform: rotateZ(0deg);
}
96% {
transform: rotateZ(90deg);
}
}

@keyframes right {
4% {
transform: rotateZ(-90deg);
}
10%,
40% {
transform: rotateZ(0deg);
}
46%,
54% {
transform: rotateZ(-90deg);
}
60%,
90% {
transform: rotateZ(0deg);
}
96% {
transform: rotateZ(-90deg);
}
}

@keyframes book {
4% {
transform: rotateZ(-90deg);
}
10%,
40% {
transform: rotateZ(0deg);
transform-origin: 2px 2px;
}
40.01%,
59.99% {
transform-origin: 30px 2px;
}
46%,
54% {
transform: rotateZ(90deg);
}
60%,
90% {
transform: rotateZ(0deg);
transform-origin: 2px 2px;
}
96% {
transform: rotateZ(-90deg);
}
}

html {
box-sizing: border-box;
-webkit-font-smoothing: antialiased;
}

* {
box-sizing: inherit;
&:before,
&:after {
box-sizing: inherit;
}
}

// Center & dribbble
body {
min-height: 100vh;
display: flex;
justify-content: center;
align-items: center;
background: #275EFE;
.dribbble {
position: fixed;
display: block;
right: 24px;
bottom: 24px;
img {
display: block;
width: 76px;
}
}
}