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HTML

              
                <div class="dots-bars-1"></div>
<div class="dots-bars-2"></div>
<div class="dots-bars-3"></div>
<div class="dots-bars-4"></div>
<div class="dots-bars-5"></div>
<div class="dots-bars-6"></div>
<div class="dots-bars-7"></div>
<div class="dots-bars-8"></div>
<div class="dots-bars-9"></div>
<div class="dots-bars-10"></div>
              
            
!

CSS

              
                .dots-bars-1 {
  width: 40px;
  height: 40px;
  --c: linear-gradient(currentColor 0 0);
  --r1: radial-gradient(farthest-side at bottom,currentColor 93%,#0000);
  --r2: radial-gradient(farthest-side at top   ,currentColor 93%,#0000);
  background: 
    var(--c) ,
    var(--r1),
    var(--r2),
    var(--c) ,  
    var(--r1),
    var(--r2),
    var(--c) ,
    var(--r1),
    var(--r2);
  background-repeat: no-repeat;
  animation: db1 1s infinite  alternate;
}

@keyframes db1 {
  0%,10% {
    background-size: 8px 0,8px 4px,8px 4px;
    background-position: 0 50%,0 calc(50% - 2px),0 calc(50% + 2px),50% 50%,50% calc(50% - 2px),50% calc(50% + 2px),100% 50%,100% calc(50% - 2px),100% calc(50% + 2px);
 }
 90%,100% {
    background-size: 8px 100%,8px 4px, 8px 4px;
    background-position: 0 50%,0 -2px,0 calc(100% + 2px),50% 50%,50% -2px,50% calc(100% + 2px),100% 50%,100% -2px,100% calc(100% + 2px);
 }
}

.dots-bars-2 {
  width: 40px;
  height: 40px;
  --c: linear-gradient(currentColor 0 0);
  --r1: radial-gradient(farthest-side at bottom,currentColor 93%,#0000);
  --r2: radial-gradient(farthest-side at top   ,currentColor 93%,#0000);
  background: 
    var(--c) ,
    var(--r1),
    var(--r2),
    var(--c) ,  
    var(--r1),
    var(--r2),
    var(--c) ,
    var(--r1),
    var(--r2);
  background-repeat: no-repeat;
  animation: db2 1s infinite alternate;
}

@keyframes db2 {
  0%,25% {
    background-size: 8px 0,8px 4px,8px 4px,8px 0,8px 4px,8px 4px,8px 0,8px 4px,8px 4px;
    background-position: 0 50%,0 calc(50% - 2px),0 calc(50% + 2px),50% 50%,50% calc(50% - 2px),50% calc(50% + 2px),100% 50%,100% calc(50% - 2px),100% calc(50% + 2px);
 }
 50% {
    background-size: 8px 100%,8px 4px,8px 4px,8px 0,8px 4px,8px 4px,8px 0,8px 4px,8px 4px;
    background-position: 0 50%,0 calc(0% - 2px),0 calc(100% + 2px),50% 50%,50% calc(50% - 2px),50% calc(50% + 2px),100% 50%,100% calc(50% - 2px),100% calc(50% + 2px);
 }
 75% {
    background-size: 8px 100%,8px 4px,8px 4px,8px 100%,8px 4px,8px 4px,8px 0,8px 4px,8px 4px;
    background-position: 0 50%,0 calc(0% - 2px),0 calc(100% + 2px),50% 50%,50% calc(0% - 2px),50% calc(100% + 2px),100% 50%,100% calc(50% - 2px),100% calc(50% + 2px);
 }
 95%,100% {
    background-size: 8px 100%,8px 4px, 8px 4px,8px 100%,8px 4px,8px 4px,8px 100%,8px 4px,8px 4px;
    background-position: 0 50%,0 calc(0% - 2px),0 calc(100% + 2px),50% 50%,50% calc(0% - 2px),50% calc(100% + 2px),100% 50%,100% calc(0% - 2px),100% calc(100% + 2px);
 }
}

.dots-bars-3 {
  width: 40px;
  height: 26px;
  --c: linear-gradient(currentColor 0 0);
  background:
    var(--c) 0    100%,
    var(--c) 50%  100%,
    var(--c) 100% 100%;
  background-size:8px calc(100% - 4px);
  background-repeat: no-repeat;
  position: relative;
}
.dots-bars-3:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background:currentColor;
  left:0;
  top:0;
  animation: 
    db3-1 1.5s  linear infinite alternate,
    db3-2 0.75s cubic-bezier(0,200,.8,200) infinite;
}


@keyframes db3-1 {
  100% {left:calc(100% - 8px)}
}

@keyframes db3-2 {
  100% {top:-0.1px}
}


.dots-bars-4 {
  width: 40px;
  height: 20px;
  --c:radial-gradient(farthest-side,currentColor 93%,#0000);
  background:
    var(--c) 0    0,
    var(--c) 50%  0,
    var(--c) 100% 0;
  background-size:8px 8px;
  background-repeat: no-repeat;
  position: relative;
  animation: db4-0 1s linear infinite alternate;
}
.dots-bars-4:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 12px;
  background:currentColor;
  left:0;
  top:0;
  animation: 
    db4-1 1s  linear infinite alternate,
    db4-2 0.5s cubic-bezier(0,200,.8,200) infinite;
}

@keyframes db4-0 {
  0%      {background-position: 0  100%,50% 0   ,100% 0}
  8%,42%  {background-position: 0  0   ,50% 0   ,100% 0}
  50%     {background-position: 0  0   ,50% 100%,100% 0}
  58%,92% {background-position: 0  0   ,50% 0   ,100% 0}
  100%    {background-position: 0  0   ,50% 0   ,100% 100%}
}

@keyframes db4-1 {
  100% {left:calc(100% - 8px)}
}

@keyframes db4-2 {
  100% {top:-0.1px}
}

.dots-bars-5 {
  width: 40px;
  height: 30px;
  --c: linear-gradient(currentColor 0 0);
  background:
    var(--c) 0    100%/8px 30px,
    var(--c) 50%  100%/8px 20px,
    var(--c) 100% 100%/8px 10px;
  background-repeat: no-repeat;
  position: relative;
  clip-path: inset(-100% 0);
}
.dots-bars-5:before{
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background:currentColor;
  left:-16px;
  top:0;
  animation: 
    db5-1 2s   linear infinite,
    db5-2 0.5s cubic-bezier(0,200,.8,200) infinite;
}

@keyframes db5-1 {
  0%   {left:-16px;transform:translateY(-8px)}
  100% {left:calc(100% + 8px);transform:translateY(22px)}
}

@keyframes db5-2 {
  100% {top:-0.1px}
}


.dots-bars-6 {
  width: 40px;
  height: 20px;
  --c:radial-gradient(farthest-side,currentColor 93%,#0000);
  background:
    var(--c) 0    0,
    var(--c) 50%  0;
  background-size:8px 8px;
  background-repeat: no-repeat;
  position: relative;
  clip-path: inset(-200% -100% 0 0);
  animation: db6-0 1.5s linear infinite;
}
.dots-bars-6:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 12px;
  background:currentColor;
  left:-16px;
  top:0;
  animation: 
    db6-1 1.5s linear infinite,
    db6-2 0.5s cubic-bezier(0,200,.8,200) infinite;
}
.dots-bars-6:after {
  content: "";
  position: absolute;
  inset:0 0 auto auto;
  width:8px;
  height: 8px;
  border-radius: 50%;
  background:currentColor; 
  animation: db6-3 1.5s  linear infinite;
}

@keyframes db6-0 {
  0%,30%  {background-position: 0  0   ,50% 0   }
  33%     {background-position: 0  100%,50% 0   }
  41%,63% {background-position: 0  0   ,50% 0   }
  66%     {background-position: 0  0   ,50% 100%}
  74%,100%{background-position: 0  0   ,50% 0   }
}

@keyframes db6-1 {
  90%  {transform:translateY(0)}
  95%  {transform:translateY(15px)}
  100% {transform:translateY(15px);left:calc(100% - 8px)}
}

@keyframes db6-2 {
  100% {top:-0.1px}
}

@keyframes db6-3 {
  0%,80%,100% {transform:translate(0)}
  90%         {transform:translate(26px)}
}


.dots-bars-7 {
  width: 40px;
  height: 40px;
  --c: linear-gradient(currentColor 0 0);
  background: 
    var(--c) 0    0,
    var(--c) 0    100%, 
    var(--c) 50%  0,  
    var(--c) 50%  100%, 
    var(--c) 100% 0, 
    var(--c) 100% 100%;
  background-size: 8px 50%;
  background-repeat: no-repeat;
  animation: db7-0 1s infinite;
  position: relative;
  overflow: hidden;
}
.dots-bars-7:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  top:calc(50% - 4px);
  left:-8px;
  animation:inherit;
  animation-name:db7-1;
}

@keyframes db7-0 {
 16.67% {background-size:8px 30%, 8px 30%, 8px 50%, 8px 50%, 8px 50%, 8px 50%}
 33.33% {background-size:8px 30%, 8px 30%, 8px 30%, 8px 30%, 8px 50%, 8px 50%}
 50%    {background-size:8px 30%, 8px 30%, 8px 30%, 8px 30%, 8px 30%, 8px 30%}
 66.67% {background-size:8px 50%, 8px 50%, 8px 30%, 8px 30%, 8px 30%, 8px 30%}
 83.33% {background-size:8px 50%, 8px 50%, 8px 50%, 8px 50%, 8px 30%, 8px 30%}
}

@keyframes db7-1 {
 20%  {left:0px}
 40%  {left:calc(50%  - 4px)}
 60%  {left:calc(100% - 8px)}
 80%,
 100% {left:100%}
}

.dots-bars-8 {
  width: 40px;
  height: 40px;
  --c: linear-gradient(currentColor 0 0);
  background: 
    var(--c) 0    0,
    var(--c) 0    100%, 
    var(--c) 50%  0,  
    var(--c) 50%  100%, 
    var(--c) 100% 0, 
    var(--c) 100% 100%;
  background-size: 8px 50%;
  background-repeat: no-repeat;
  animation: db8-0 2s infinite;
  position: relative;
  overflow: hidden;
}
.dots-bars-8:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  top:calc(50% - 4px);
  left:-8px;
  animation:inherit;
  animation-name:db8-1;
}

@keyframes db8-0 {
 16.67% {background-size:8px 30%, 8px 30%, 8px 50%, 8px 50%, 8px 50%, 8px 50%}
 33.33% {background-size:8px 30%, 8px 30%, 8px 30%, 8px 30%, 8px 50%, 8px 50%}
 50%    {background-size:8px 30%, 8px 30%, 8px 30%, 8px 30%, 8px 50%, 8px 50%}
 66.67% {background-size:8px 50%, 8px 50%, 8px 30%, 8px 30%, 8px 50%, 8px 50%}
 83.33% {background-size:8px 50%, 8px 50%, 8px 50%, 8px 50%, 8px 50%, 8px 50%}
}

@keyframes db8-1 {
 20%      {left:0px}
 40%,100% {left:calc(50% - 4px)}
}

.dots-bars-9 {
  width: 40px;
  height: 40px;
  --c: linear-gradient(currentColor 0 0);
  background: 
    var(--c) 0    0,
    var(--c) 0    100%, 
    var(--c) 50%  0,  
    var(--c) 50%  100%, 
    var(--c) 100% 0, 
    var(--c) 100% 100%;
  background-size: 8px 50%;
  background-repeat: no-repeat;
  animation: db9-0 2s infinite;
  position: relative;
  overflow: hidden;
}
.dots-bars-9:before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  top:calc(50% - 4px);
  left:-8px;
  animation:inherit;
  animation-name:db9-1;
}

@keyframes db9-0 {
 16.67% {background-size:8px 30%, 8px 30%, 8px 50%, 8px 50%, 8px 50%, 8px 50%}
 33.33% {background-size:8px 30%, 8px 30%, 8px 30%, 8px 30%, 8px 50%, 8px 50%}
 50%    {background-size:8px 30%, 8px 30%, 8px 30%, 8px 30%, 8px 50%, 8px 50%}
 66.67% {background-size:8px 50%, 8px 50%, 8px 30%, 8px 30%, 8px 50%, 8px 50%}
 83.33% {background-size:8px 50%, 8px 50%, 8px 50%, 8px 50%, 8px 50%, 8px 50%}
}

@keyframes db9-1 {
 20%     {left:0px}
 40%,70% {left:calc(50% - 4px)}
 80%,85% {left:8px;top:calc(50% - 4px)}
 100%    {left:8px;top:-8px}
}


.dots-bars-10 {
  width: 70px;
  height: 30px;
  overflow: hidden;
  position: relative;
}
.dots-bars-10::before {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius:50%;
  inset:0;
  margin:auto; 
  background: currentColor;
  transform-origin: bottom;
  animation: db10-1 3s infinite;
}
.dots-bars-10::after {
  content: "";
  position: absolute;
  width:8px;
  height:14px;
  bottom:calc(50% - 4px);
  background: currentColor;
  animation: db10-2 3s infinite;
}

@keyframes db10-1 {
 0%,
 10% {transform:translate(0)     scale(1)  ;box-shadow: 60px 0 ,60px 0}
 20%,
 40% {transform:translate(20px)  scale(1)  ;box-shadow: 60px 0 ,60px 0}
 48% {transform:translate(20px)  scale(1)  ;box-shadow: 8px  0 ,60px 0}
 50% {transform:translate(20px)  scale(1.5);box-shadow: 0    0 ,60px 0}
 58% {transform:translate(20px)  scale(1.5);box-shadow: 0    0 ,8px  0}
 60%,
 70% {transform:translate(20px)  scale(2)  ;box-shadow: 0    0 ,0    0}

 85% {transform:translate(-50px) scale(2)  ;box-shadow: 0    0 ,0    0}
 87% {transform:translate(-50px) scale(1)  ;box-shadow: 0    0 ,0    0}
 100%{transform:translate(0)     scale(1)  ;box-shadow: 0    0 ,0    0}
}

@keyframes db10-2 {
 20%,70% {left:50%}
 0%,10%,85%,100% {left:-25px}
}

/**/
body {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
  grid-auto-rows: 130px;
  place-items:center;
}


* {
  box-sizing: border-box;
}
              
            
!

JS

              
                
              
            
!
999px

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