CSS3 Infinite Loader

css3-infinite-loader.markdown

CSS3 Infinite Loader

Infinite Loader made with css3 and html.

A Pen by Leetcodes on CodePen.

License.

index.html

<div class="loader-wrapper">
	<div class="loader">
    <div class="roller"></div>
    <div class="roller"></div>
  </div>
  
  <div id="loader2" class="loader">
    <div class="roller"></div>
    <div class="roller"></div>
  </div>
  
  <div id="loader3" class="loader">
    <div class="roller"></div>
    <div class="roller"></div>
  </div>
</div>

scripts

<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>

style.scss

@import "compass/css3";

/*
* Infinite Loader 
*
* Author: Jonathan Silva
* Url: https://portfolio.jonathansilva.com.br
*
*/

/* ----- Base ----- */

$body-bg: #55c1FA;

/* ----- Loader ----- */

$loader-duration: 1.2s;
$loader-iteration-count: infinite;
$loader-direction: normal;

body{
  background-color: #55c1FA
}

.loader-wrapper{
  width:148px; 
  height: 100px;  
  position: absolute;
  margin: -50px 0 0 -74px;
  left: 50%;
  top: 60%;
}
.loader{
	width:148px; 
  height: 100px; 
  top: 0;
  left: 0;
  position: absolute;
  
  &:after{
    content: "";
    top: auto;
    position: absolute;
    display: block;
    animation: shadow $loader-duration $loader-iteration-count linear;
    -moz-animation: shadow $loader-duration $loader-iteration-count linear;
    bottom: 0em;
    left: 0;
    height: .25em;
    width: 1em;
    border-radius: 50%;
    background-color: darken($body-bg, 45%);
    opacity: 0.3;
  }
}
.roller,
.roller:last-child{
	width: 70px; 
  height: 70px; 
  position: absolute;
  top: 0;
  left: 0;
  -webkit-animation: rollercoaster $loader-duration $loader-iteration-count linear;
  -webkit-transform: rotate(135deg);
  -moz-animation: rollercoaster $loader-duration $loader-iteration-count linear;
  -moz-transform: rotate(135deg);
  animation: rollercoaster $loader-duration $loader-iteration-count linear;
  transform: rotate(135deg);
}
.roller:last-child{
  left: auto;
  right: 0;
  -webkit-transform: rotate(-45deg);
  -webkit-animation: rollercoaster2 $loader-duration $loader-iteration-count linear;
  -moz-transform: rotate(-45deg);
  -moz-animation: rollercoaster2 $loader-duration $loader-iteration-count linear;
  transform: rotate(-45deg);
  animation: rollercoaster2 $loader-duration $loader-iteration-count linear;
}
.roller:before,
.roller:last-child:before{
	content:""; 
  display:block;
  width: 15px;
  height: 15px;
  background: #000;
  border-radius: 50%;
}

@-webkit-keyframes rollercoaster {
  
  0%   { 
    -webkit-transform: rotate(135deg);
  }
  8%  { 
  	-webkit-transform: rotate(240deg);
  }

  20%{
    -webkit-transform: rotate(300deg);
  }
  
  40%{
    -webkit-transform: rotate(380deg);
  }
  45%{
    -webkit-transform: rotate(440deg);
  }
  50%{
    -webkit-transform: rotate(495deg);
    opacity: 1;
  }
  50.1%{
    -webkit-transform: rotate(495deg);
    opacity: 0;
  }
  100%{
    -webkit-transform: rotate(495deg);
    opacity: 0;
  }
  
}

@-webkit-keyframes rollercoaster2 {
  0%{
    opacity: 0;
  }
  49.9%{
    opacity: 0;
  }
  50%   { 
    opacity:1;
    -webkit-transform: rotate(-45deg);
  }
  58%  { 
  	-webkit-transform: rotate(-160deg);
  }

  70%{
    -webkit-transform: rotate(-240deg);
  }
  
  80%{
    -webkit-transform: rotate(-300deg);
  }
  
  90%{
    -webkit-transform: rotate(-340deg);
  }
  
  100%{
    -webkit-transform: rotate(-405deg);
  }
  
}

@-webkit-keyframes shadow {
  
  0%   { 
    opacity:.3;
    -webkit-transform: translateX(65px) scale(0.5,0.5);
  }
  8%  { 
  	-webkit-transform: translateX(30px) scale(2,2);
  }

  13%{
    -webkit-transform: translateX(0px) scale(1.3,1.3);
  }
  
  30%{
    -webkit-transform: translateX(-15px) scale(0.5,0.5);
    opacity: 0.1;
  }
  50%{
    -webkit-transform: translateX(60px) scale(1.2,1.2);
    opacity: 0.3;
  }

  60%{
    -webkit-transform: translateX(130px) scale(2,2);
    opacity: 0.05;
  }
  65%{
    -webkit-transform: translateX(145px) scale(1.2,1.2);
  }
  80%{
    -webkit-transform: translateX(120px) scale(0.5,0.5);
    opacity: 0.1;
  }
  90%{
    -webkit-transform: translateX(80px) scale(0.8,0.8);
  }
  100%{
    -webkit-transform: translateX(60px);
    opacity: 0.3;
  }
  
}

/* Moz */

@-moz-keyframes rollercoaster {
  0%    { -moz-transform: rotate(135deg);}
  8%    { -moz-transform: rotate(240deg);}
  20%   { -moz-transform: rotate(300deg);}
  40%   { -moz-transform: rotate(380deg);}
  45%   { -moz-transform: rotate(440deg);}
  50%   { -moz-transform: rotate(495deg); opacity: 1;}
  50.1% { -moz-transform: rotate(495deg); opacity: 0;}
  100%  { -moz-transform: rotate(495deg); opacity: 0;}
}

@-moz-keyframes rollercoaster2 {
  0%    { opacity: 0;}
  49.9% { opacity: 0;}
  50%   { opacity:1; -moz-transform: rotate(-45deg);}
  58%   { -moz-transform: rotate(-160deg);}
  70%   { -moz-transform: rotate(-240deg);}
  80%   { -moz-transform: rotate(-300deg);}
  90%   { -moz-transform: rotate(-340deg);}
  100%  { -moz-transform: rotate(-405deg);}
}

@-moz-keyframes shadow {
  0%   { opacity:.3; -moz-transform: translateX(65px) scale(0.5,0.5);}
  8%   { -moz-transform: translateX(30px) scale(2,2);}
  13%  { -moz-transform: translateX(0px) scale(1.3,1.3);}
  30%  { -moz-transform: translateX(-15px) scale(0.5,0.5); opacity: 0.1;}
  50%  { -moz-transform: translateX(60px) scale(1.2,1.2); opacity: 0.3;}
  60%  { -moz-transform: translateX(130px) scale(2,2); opacity: 0.05;}
  65%  { -moz-transform: translateX(145px) scale(1.2,1.2);}
  80%  { -moz-transform: translateX(120px) scale(0.5,0.5); opacity: 0.1;}
  90%  { -moz-transform: translateX(80px) scale(0.8,0.8);}
  100% { -moz-transform: translateX(60px); opacity: 0.3;}
}

/* No-prefix */
@keyframes rollercoaster {
  0%    { transform: rotate(135deg);}
  8%    { transform: rotate(240deg);}
  20%   { transform: rotate(300deg);}
  40%   { transform: rotate(380deg);}
  45%   { transform: rotate(440deg);}
  50%   { transform: rotate(495deg); opacity: 1;}
  50.1% { transform: rotate(495deg); opacity: 0;}
  100%  { transform: rotate(495deg); opacity: 0;}
}

@keyframes rollercoaster2 {
  0%    { opacity: 0;}
  49.9% { opacity: 0;}
  50%   { opacity:1; transform: rotate(-45deg);}
  58%   { transform: rotate(-160deg);}
  70%   { transform: rotate(-240deg);}
  80%   { transform: rotate(-300deg);}
  90%   { transform: rotate(-340deg);}
  100%  { transform: rotate(-405deg);}
}

@keyframes shadow {
  0%   { opacity:.3; transform: translateX(65px) scale(0.5,0.5);}
  8%   { transform: translateX(30px) scale(2,2);}
  13%  { transform: translateX(0px) scale(1.3,1.3);}
  30%  { transform: translateX(-15px) scale(0.5,0.5); opacity: 0.1;}
  50%  { transform: translateX(60px) scale(1.2,1.2); opacity: 0.3;}
  60%  { transform: translateX(130px) scale(2,2); opacity: 0.05;}
  65%  { transform: translateX(145px) scale(1.2,1.2);}
  80%  { transform: translateX(120px) scale(0.5,0.5); opacity: 0.1;}
  90%  { transform: translateX(80px) scale(0.8,0.8);}
  100% { transform: translateX(60px); opacity: 0.3;}
}


#loader2 {
  &:after{
    -webkit-animation-delay: 0.15s;
    animation-delay: 0.15s;
  }
  
  .roller{
    -webkit-animation-delay: 0.15s;
    animation-delay: 0.15s;
  }
}

#loader3 {
  &:after{
    -webkit-animation-delay: 0.3s;
    animation-delay: 0.3s;
  }
  
  .roller{
    -webkit-animation-delay: 0.3s;
    animation-delay: 0.3s;
  }
}