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              div.container

  div.grid-big
    - for (i=0; i<25; i++)
      div.cell-1 
    
  div.grid-big
    - for (i=0; i<25; i++)
      div.cell-2
      
  div.grid-big
    - for (i=0; i<25; i++)
      div.cell-3
      
  div.grid-big
    - for (i=0; i<25; i++)
      div.cell-4

h4.title made with &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp by mai.e

div.grid-mini
    - for (i=0; i<25; i++)
      div.cell-mini
            
          
!
            
              $body-color: #1D1F20;
$glow-color: #FF2995;
$bg-color: darken($glow-color, 40);

body{
  margin: 0;
  background-color: $body-color;
}

.container{
  position: absolute;
  margin: auto;
  left:0; right:0;
  width: 60%;
  height: 100%;
  display: flex;
  display: -webkit-flex;
  flex-wrap: wrap;
  -webkit-flex-wrap: wrap;
  justify-content: space-around;
  -webkit-justify-content: space-around;
  align-items: center;
  -webkit-align-items: center;
  align-content: center;
  -webkit-align-content: center;
}

.title{
  position: absolute;
  margin: auto;
  left:0; right:0; top:auto; bottom:10px;
  /* background:pink; */
  width: 190px;
  height: 20px;
  font-family: Sans-serif;
  font-weight: 100;
  color: darken($glow-color,30);
}

@mixin grid{
  display: flex;
  flex-wrap: wrap;
  -webkit-flex-wrap: wrap;
  justify-content: center;
  -webkit-justify-content: center;
  align-items: center;
  -webkit-align-items: center;
  align-content: center;
  -webkit-align-content: center;
}

.grid-big{
  @include grid;
  width: 70px;
  height: 70px;
}

.grid-mini{
  position: absolute;
  margin: auto;
  left:0; right:0px; top:auto; bottom:5px;
  @include grid;
  width: 25px;
  height: 35px;
}

@mixin cell{
  width: 10px;
  height: 10px;
  background: $bg-color;
  border-radius: 50%;
  margin: 2px;
}

/****** LOADING GRID #1 ******/

$cell1-order: (7,8,9,12,14,17,18,19);

//outer layer
.cell-1{
  @include cell;
  animation: quick-glow 1.25s 0.3s infinite linear;
  -webkit-animation: quick-glow 1.25s 0.3s infinite linear;
}

//middle layer
@for $i from 0 to length($cell1-order) {
  .cell-1:nth-child(#{nth($cell1-order, $i+1)}){
    animation: quick-glow 1.25s 0.15s infinite linear;
    -webkit-animation: quick-glow 1.25s 0.15s infinite linear;
  }
}

//center cell
.cell-1:nth-child(13){
  animation: quick-glow 1.25s infinite linear;
  -webkit-animation: quick-glow 1.25s infinite linear;
}


/****** LOADING GRID #2 ******/

$cell2-order: (1,2,3,4,5,10,15,20,25,24,23,22,21,16,11,6,7,8,9,14,19,18,17,12,13);

.cell-2{
  @include cell;
}

@for $i from 0 to length($cell2-order) {
  .cell-2:nth-child(#{nth($cell2-order, $i+1)}){
    animation: quick-glow 2.5s unquote( (0.1 * $i) + 's') infinite linear;
    -webkit-animation: quick-glow 2.5s unquote( (0.1 * $i) + 's') infinite linear;
  }
}

/****** LOADING GRID #3 ******/

.cell-3{
  @include cell;
}

.cell-3:nth-child(2n+1){
  animation: glow 1.2s infinite linear;
  -webkit-animation: glow 1.2s infinite linear;
}

.cell-3:nth-child(2n){
  animation: glow 1.2s 0.6s infinite linear;
  -webkit-animation: glow 1.2s 0.6s infinite linear;
}


/****** LOADING GRID #4 ******/

.grid-big:nth-child(4){
  transform: rotate(-90deg);
  -webkit-transform: rotate(-90deg);
}

.cell-4{
  @include cell;
}

$tick: 5;
@for $i from 1 to 26 {
  .cell-4:nth-child(#{$i}){
    animation: quick-glow 1s unquote( (0.1 * $tick) + 's') infinite linear;
    -webkit-animation: quick-glow 1s unquote( (0.1 * $tick) + 's') infinite linear;
    $tick: $tick - 1;
  }
}
$tick: 0;
@for $i from 6 to 11 {
  .cell-4:nth-child(#{$i}){
    animation: quick-glow 1s unquote( (0.1 * $tick) + 's') infinite linear;
    -webkit-animation: quick-glow 1s unquote( (0.1 * $tick) + 's') infinite linear;
  }
  $tick: $tick + 1;
}
$tick: 0;
@for $i from 16 to 21 {
  .cell-4:nth-child(#{$i}){
    animation: quick-glow 1s unquote( (0.1 * $tick) + 's') infinite linear;
    -webkit-animation: quick-glow 1s unquote( (0.1 * $tick) + 's') infinite linear;
    $tick: $tick + 1;
  }
}

/****** HEART ******/

$cellmini-order: (2,4,6,8,10,11,15,17,19,23);

.cell-mini{
  @include cell;
  margin: 0;
  width: 5px;
  height: 5px;
  background: $body-color;
}

@for $i from 0 to length($cellmini-order) {
  .cell-mini:nth-child(#{nth($cellmini-order, $i+1)}){
    background: $glow-color;
    animation: glow 1.5s infinite linear;
    -webkit-animation: glow 1.5s infinite linear;
  }
}

/****** KEYFRAME ANIMATIONS ******/

@keyframes quick-glow{
  15%{
    z-index: 99;
    background: $glow-color;
    box-shadow: 0 0 10px 2px $glow-color;
  }
}

@keyframes glow{
  50%{
    z-index: 99;
    background: $glow-color;
    box-shadow: 0 0 10px 2px $glow-color;
  }
}

@-webkit-keyframes quick-glow{
  15%{
    z-index: 99;
    background: $glow-color;
    box-shadow: 0 0 10px 2px $glow-color;
  }
}

@-webkit-keyframes glow{
  50%{
    z-index: 99;
    background: $glow-color;
    box-shadow: 0 0 10px 2px $glow-color;
  }
}
            
          
!
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