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HTML 

              
                <div class="container">
  <h1>CSS3 animated <span>spinners</span> vol.2</h1>
  <a href="https://github.com/eisenfox/css-spinners-2" target="_blank" title="Check on github"><i class="fa fa-hand-o-right" aria-hidden="true"></i> Check on github</a>
  <a href="https://codepen.io/fox_hover/pen/YZxGed" target="_blank" title=">> Check vol.1"><i class="fa fa-hand-o-right" aria-hidden="true"></i> Check vol.1</a>
  
  <!-- spinners container-->
  <div class="spinners-container">
    
    <!-- spinner #1 -->
    <div class="spinner-block">
      <h2>#1</h2>
      
       <!-- spinner #1 effect -->
      <div class="spinner-eff spinner-eff-1">
        <div class="bar bar-top"></div>
        <div class="bar bar-right"></div>
        <div class="bar bar-bottom"></div>
        <div class="bar bar-left"></div>
      </div>
      
    </div>
    
    <!-- spinner #2 -->
    <div class="spinner-block">
      <h2>#2</h2>
      
       <!-- spinner #2 effect -->
      <div class="spinner-eff spinner-eff-2">
        <div class="square"></div>
      </div>
      
    </div>
    
    <!-- spinner #3 -->
    <div class="spinner-block">
      <h2>#3</h2>
      
       <!-- spinner #3 effect -->
      <div class="spinner-eff spinner-eff-3">
        <div class="circle circle-1"></div>
        <div class="circle circle-2"></div>
        <div class="circle circle-3"></div>
      </div>
      
    </div>
    
    <!-- spinner #4 -->
    <div class="spinner-block">
      <h2>#4</h2>
      
      <!-- spinner #4 effect -->
      <div class="spinner-eff spinner-eff-4">
        <div class="bar bar-top"></div>
        <div class="bar bar-right"></div>
        <div class="bar bar-bottom"></div>
        <div class="bar bar-left"></div>
      </div>
      
    </div>
    
    <!-- spinner #5 -->
    <div class="spinner-block">
      <h2>#5</h2>
      
       <!-- spinner #4 effect -->
      <div class="spinner-eff spinner-eff-5">
        <div class="ellipse"></div>
      </div>
      
    </div>
    
  </div>
</div>
!

CSS 

              
                //variables
$bg-color: #fff; //container background-color;
$accent-font-color: #FD5200; //accent font color;
$spinner-dimensions: 50px; //width and height of spinner block 
$spinner-1-bg: #47A8BD; //spinner-1 background-color
$spinner-2-bg: #FE4E00; //spinner-4 background-color
$spinner-3-bg: #0CCA4A; //spinner-3 background-color
$spinner-4-bg: #F51AA4; //spinner-2 background-color
$spinner-5-bg: #FFE314; //spinner-5 background-color

//mixins

//position absolute mixin
@mixin position-absolute ($top: null, $left: null, $right: null, $bottom: null) {
  position: absolute;
  top: $top;
  left: $left;
  right: $right;
  bottom: $bottom;
}

/* COMMON STYLES: YOU DON'T NEED THEM */
body {
  background-color: $bg-color;
  font: {
      family: 'Fira Sans', sans-serif;
      weight: 400;
    }
  color: #1f1f1f;
  
  .container {
    width: 580pxpx;
    margin: 70px auto 0px;
    text-align: center;
    
    & > a {
      text-decoration: none;
      color: #1f1f1f;
      font: {
        size: 20px;
      }
      
      &:nth-child(2) {
        
        &:after {
          content: "";
          display: inline-block;
          width: 5px;
          height: 5px;
          border: 2px solid $accent-font-color;
          border-radius: 20px;
          margin: 0px 10px 0px 15px;
          position: relative;
          top: -2px;
        }
      }
    }
  }
  
  h1 {
    font: {
      weight: 400;
      size: 35px;
    }
    
    span {
      font: {
        family: 'Josefin Sans', sans-serif;
      }
      text-transform: uppercase;
      color: $accent-font-color;
      position: relative;
      
      &:before {
        content: "";
        display: block;
        @include position-absolute($top: 0, $left: 0, $right: 0);
        width: 5px;
        height: 5px;
        border: 2px solid $accent-font-color;
        border-radius: 20px;
        margin: auto;
      }
    }
  }
}

.spinners-container {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 70px;
  
  .spinner-block {
    width: $spinner-dimensions;
    text-align: center;
    margin-right: 83px;
      
    &:nth-child(5n) {
      margin-right: 0px;
    }
    
    h2 {
      margin: 0px 0px 20px 0px;
    }
  }
}

/* YOU NEED THESE STYLES */

/* spinner style */
.spinner-eff {
  position: relative;
  width: $spinner-dimensions;
  height: $spinner-dimensions;
  
  &:before,
  &:after {
    content: "";
    display: block;
  }
  
  .spinner-bar {
    
    &:before,
    &:after {
      content: "";
      display: block;
    }
  }
}

/* spinner-1 styles */
.spinner-eff.spinner-eff-1 {
  
  @keyframes rotation-top {
    0% {
      transform: rotate(0deg);
      opacity: 0.5;
    }
    
    20% {
      transform: rotate(360deg);
      opacity: 1;
    }
    
    80% {
      transform: rotate(360deg);
      opacity: 1;
    }
    
    100% {
      transform: rotate(360deg);
      opacity: 0.5;
    }
  }
  
  @keyframes rotation-right {
    0% {
      transform: rotate(0deg);
      opacity: 0.5;
    }
    
    20% {
      transform: rotate(0deg);
      opacity: 0.5;
    }
    
    40% {
      transform: rotate(360deg);
      opacity: 1;
    }
    
    80% {
      transform: rotate(360deg);
      opacity: 1;
    }
    
    100% {
      transform: rotate(360deg);
      opacity: 0.5;
    }
  }
  
  @keyframes rotation-bottom {
    0% {
      transform: rotate(0deg);
      opacity: 0.5;
    }
    
    40% {
      transform: rotate(0deg);
      opacity: 0.5;
    }
    
    60% {
      transform: rotate(360deg);
      opacity: 1;
    }
    
    80% {
      transform: rotate(360deg);
      opacity: 1;
    }
    
    100% {
      transform: rotate(360deg);
      opacity: 0.5;
    }
  }
  
  @keyframes rotation-left {
    0% {
      transform: rotate(0deg);
      opacity: 0.5;
    }
    
    60% {
      transform: rotate(0deg);
      opacity: 0.5;
    }
    
    80% {
      transform: rotate(360deg);
      opacity: 1;
    }
    
    100% {
      transform: rotate(360deg);
      opacity: 0.5;
    }
  }
  
  .bar {
    width: 0;
    height: 0;
    border:  $spinner-dimensions/2 solid transparent;
    @include position-absolute($top: 0, $left: 0);
    transform: rotate(0deg);
    opacity: 0.5;
    
    &-top {
      border-top: $spinner-dimensions/2 solid $spinner-1-bg;
      animation: rotation-top 3.6s linear 0s infinite;
    }
    
    &-right {
      border-right: $spinner-dimensions/2 solid $spinner-1-bg; 
      animation: rotation-right 3.6s linear 0s infinite;
    }
    
    &-bottom {
      border-bottom: $spinner-dimensions/2 solid $spinner-1-bg; 
      animation: rotation-bottom 3.6s linear 0s infinite;
    }
    
    &-left {
      border-left: $spinner-dimensions/2 solid $spinner-1-bg; 
      animation: rotation-left 3.6s linear 0s infinite;
    }
  }
}

/* spinner-2 styles */
.spinner-eff.spinner-eff-2 {
  
    @keyframes scale-rotate {
    0% {
      transform: scale(1) rotate(0deg);
    }
    
    12.5% {
      transform: scale(0.5) rotate(45deg);
    }
    
    25% {
      transform: scale(1) rotate(90deg);
    }
    
    37.5% {
      transform: scale(0.5) rotate(135deg);
    }
    
    50% {
      transform: scale(1) rotate(180deg);
    }
    
    62.5% {
      transform: scale(0.5) rotate(225deg);
    }
    
    75% {
      transform: scale(1) rotate(270deg);
    }
    
    87.5% {
      transform: scale(0.5) rotate(315deg);
    }
    
    100% {
      transform: scale(1) rotate(360deg);
    }
    
  }
  
  .square {
    width: 100%;
    height: 100%;
    background-color: $spinner-4-bg;
    transform: scale(1) rotate(0deg);
    transform-origin: center center;
    animation: scale-rotate 3s linear 0s infinite;
  }
}

/* spinner-3 styles */
.spinner-eff.spinner-eff-3 {
  
  @keyframes pulse {
    0% {
      transform: scale(0);
    }
    
    50% {
      transform: scale(1.3);
      opacity: 0;
    }
    
    100% {
      transform: scale(1.3);
      opacity: 0;
    }
  }
  
  @keyframes pulse-2 {
    0% {
      transform: scale(0);
    }
    
    100% {
      transform: scale(1.3);
      opacity: 0;
    }
  }
  
  .circle {
    border-radius: 100px;
    @include position-absolute($left: 0, $right: 0);
    margin: auto;
    transform: scale(1);
    transform-origin: center center;
    
    &-1 {
      width: 100%;
      height: 100%;
      background-color: lighten($spinner-3-bg, 25%);
      top: 0;
      animation: pulse 1.6s linear 0s infinite;
    }
    
    &-2 {
      width: 66.6%;
      height: 66.6%;
      background-color: $spinner-3-bg;
      top: 16.5%;
      animation: pulse-2 1.6s linear 0s infinite;
    }
    
    &-3 {
      width: 33.3%;
      height: 33.3%;
      background-color: $spinner-3-bg;
      top: 33.3%;
    }
  }
}

/* spinner-4 styles */
.spinner-eff.spinner-eff-4 {
  
  $bar-width: 7px; //width of bars
  animation: rotation 12.8s steps(1) 0s infinite;
  
  @keyframes rotation {
    0% {
      transform: rotate(0deg);
    }
    
    25% {
      transform: rotate(90deg);
    }
    
    50% {
      transform: rotate(180deg);
    }
    
    75% {
      transform: rotate(270deg);
    }
    
    100% {
      transform: rotate(360deg);
    }
  }
  
  @keyframes bar-top {
    0% {
      transform: scale(0,1);
    }
    
    12.5% {
      transform: scale(1,1);
    }
    
    87.5% {
      transform: scale(1,1);
    }
    
    100% {
      transform: scale(0,1);
    }
  }
  
  @keyframes bar-right {
    0% {
      transform: scale(1,0);
    }
    
    12.5% {
      transform: scale(1,0);
    }
    
    25% {
      transform: scale(1,1);
    }
    
    75% {
      transform: scale(1,1);
    }
    
    87.5% {
      transform: scale(1,0);
    }
    
    100% {
      transform: scale(1,0);
    }
  }
  
  @keyframes bar-bottom {
    0% {
      transform: scale(0,1);
    }
    
    25% {
      transform: scale(0,1);
    }
    
    37.5% {
      transform: scale(1,1);
    }
    
    62.5% {
      transform: scale(1,1);
    }
    
    75% {
      transform: scale(0,1);
    }
    
    100% {
      transform: scale(0,1);
    }
  }
  
  @keyframes bar-left {
    0% {
      transform: scale(1,0);
    }
    
    37.5% {
      transform: scale(1,0);
    }
    
    50% {
      transform: scale(1,1);
    }
    
    62.5% {
      transform: scale(1,0);
    }
    
    100% {
      transform: scale(1,0);
    }
  }
  
  .bar {
    background-color: $spinner-2-bg;
    
    &-top {
      width: 100%;
      height: $bar-width;
      @include position-absolute($top: 0, $left: 0);
      transform-origin: left top;
      transform: scale(0,1);
      animation: bar-top 3.2s linear 0s infinite;
    }
    
    &-right {
      width: $bar-width;
      height: 100%;
      @include position-absolute($top: 0, $right: 0);
      transform-origin: left top;
      transform: scale(1,0);
      animation: bar-right 3.2s linear 0s infinite;
    }
    
    &-bottom {
      width: 100%;
      height: $bar-width;
      @include position-absolute($bottom: 0, $right: 0);
      transform-origin: right top;
      transform: scale(0,1);
      animation: bar-bottom 3.2s linear 0s infinite;
    }
    
    &-left {
      width: $bar-width;
      height: 100%;
      @include position-absolute($bottom: 0, $left: 0);
      transform-origin: left bottom;
      transform: scale(1,0);
      animation: bar-left 3.2s linear 0s infinite;
    }
  }
}

/* spinner-5 styles */
.spinner-eff.spinner-eff-5 {
  
  @keyframes ellipse-animation {
    0% {
      border-top-left-radius: 50%;
      border-top-right-radius: 50%;
      border-bottom-right-radius: 50%;
      border-bottom-left-radius: 50%;
    }
    
    12.5% {
      border-top-left-radius: 0;
      border-top-right-radius: 50%;
      border-bottom-right-radius: 50%;
      border-bottom-left-radius: 50%;
      transform: rotate(45deg);
    }
    
    25% {
      border-top-left-radius: 0;
      border-top-right-radius: 0;
      border-bottom-right-radius: 50%;
      border-bottom-left-radius: 50%;
      transform: rotate(90deg);
    }
    
    37.5% {
      border-top-left-radius: 0;
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
      border-bottom-left-radius: 50%;
      transform: rotate(135deg);
    }
    
    50% {
      border-top-left-radius: 0;
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
      border-bottom-left-radius: 0;
      transform: rotate(180deg);
    }
    
    62.5% {
      border-top-left-radius: 50%;
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
      border-bottom-left-radius: 0;
      transform: rotate(225deg);
    }
    
    75% {
      border-top-left-radius: 50%;
      border-top-right-radius: 50%;
      border-bottom-right-radius: 0;
      border-bottom-left-radius: 0;
      transform: rotate(270deg);
    }
    
    87.5% {
      border-top-left-radius: 50%;
      border-top-right-radius: 50%;
      border-bottom-right-radius: 50%;
      border-bottom-left-radius: 0;
      transform: rotate(315deg);
    }
    
    100% {
      border-top-left-radius: 50%;
      border-top-right-radius: 50%;
      border-bottom-right-radius: 50%;
      border-bottom-left-radius: 50%;
      transform: rotate(360deg);
    }
  }
  
  .ellipse {
    width: 100%;
    height: 100%;
    background-color: $spinner-5-bg;
    border-radius: 50%;
    animation: ellipse-animation 2.4s cubic-bezier(0, -0.26, 0.32, 1.22) 0s infinite;
    transform: rotate(0deg);
  }
}
!

JS
!
999px

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