SOURCE

  <div class="box-canvas">
    <div class="cog cog-one">
      <div class="teeth vertical"></div>
      <div class="teeth horizontal"></div>
    </div>
    <div class="cog cog-two">
      <div class="teeth vertical"></div>
      <div class="teeth horizontal"></div>
    </div>
    
    <div class="cog cog-three">
      <div class="teeth vertical"></div>
      <div class="teeth horizontal"></div>
    <div>
  </div>

body{
  background: #333642;
}

.box-canvas{
  position: relative;
  margin: auto;
  display: block;
  margin-top: 8%;
  margin-bottom: 8%;
  width: 250px;
  height:600px;
}

.cog-one {
  --cog-color: #898888;
  --cog-accent-color: #A5A2A2;
  --cog-inner-size: 30px;
  --cog-outer-size: 50px;
  
  --start-rotation: 360deg;
  --end-rotation: 0deg;
}

.cog-two {
  --cog-color: #A16036;
  --cog-accent-color: #BC7F60;
  --cog-inner-size: 15px;
  --cog-outer-size: 40px;
  
  --start-rotation: 16deg;
  --end-rotation: 376deg;
  
  left: 120px;
  top: 110px;
  
  transform: rotate(var(--start-rotation));
}

.cog-three {
  --cog-color: #F1B72E;
  --cog-accent-color: #FFD100;
  --cog-inner-size: 20px;
  --cog-outer-size: 50px;
  
  --start-rotation: 300deg;
  --end-rotation: -60deg;
  
  left: 33px;
  top: 210px;
  
  transform: rotate(var(--start-rotation));
  
}

.cog {
  position: absolute;
  width: var(--cog-inner-size);
  height: var(--cog-inner-size);
  background: transparent;
  border-radius: 50%;
  border: var(--cog-outer-size) solid var(--cog-color);
  
  /* animation: 5s cogRotate infinite linear; */
}

@keyframes cogRotate {
  0% {
    transform: rotate(var(--start-rotation));
  }
  
  100% {
    transform: rotate(var(--end-rotation))
  }
}

/* Inner circle accent */
.cog::before {
  content: '';
  position: absolute;
  width: calc(var(--cog-inner-size) + 10px);
  height: calc(var(--cog-inner-size) + 10px);
  border: 3px solid var(--cog-accent-color);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

/* Outer circle accent */
.cog::after {
  content: '';
  position: absolute;
/*   width: 110px;
  height: 110px; */
  width: calc(var(--cog-inner-size) + var(--cog-outer-size) * 2 - 20px);
  height: calc(var(--cog-inner-size) + var(--cog-outer-size) * 2 - 20px);
  border: 3px solid var(--cog-accent-color);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.teeth.vertical {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

/* Top and bottom teeth */
.cog-one .teeth.vertical {
  background: linear-gradient(to bottom,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 120px,
    var(--cog-color) 120px,
    var(--cog-color));
  height: 170px;
  width: 25px;
  top: -70px;
}

.cog-two .teeth.vertical {
  width: 15px;
  height: 125px;
  top: -55px;
  
  background: linear-gradient(to bottom,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 80px,
    var(--cog-color) 80px,
    var(--cog-color));
  
}

.cog-three .teeth.vertical {
  background: linear-gradient(to bottom,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 120px,
    var(--cog-color) 120px,
    var(--cog-color));
  height: 160px;
  width: 25px;
  top: -70px;
}

.teeth.vertical::after {
  content: '';
  position: absolute;
  transform:rotate(45deg);
}

/* Top right and bottom left teeth */
.cog-one .teeth.vertical::after {
  background: linear-gradient(to bottom,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 120px,
    var(--cog-color) 120px,
    var(--cog-color));
  height: 170px;
  width: 25px;
}

.cog-two .teeth.vertical::after {
  background: linear-gradient(to bottom,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 80px,
    var(--cog-color) 80px,
    var(--cog-color));
  width: 15px;
  height: 125px;
}

.cog-three .teeth.vertical::after {
  background: linear-gradient(to bottom,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 120px,
    var(--cog-color) 120px,
    var(--cog-color));
  height: 160px;
  width: 25px;
}



.teeth.horizontal {
  position: absolute;
  transform: translateY(-50%);
  top: 50%;
}

/* Left and right teeth */
.cog-one .teeth.horizontal {
  left: -70px;
  background: linear-gradient(to right,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 120px,
    var(--cog-color) 120px,
    var(--cog-color));
  height: 25px;
  width: 170px;
}

.cog-two .teeth.horizontal {
  background: linear-gradient(to right,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 80px,
    var(--cog-color) 80px,
    var(--cog-color));
  height: 15px;
  width: 125px;
  left: -55px;
}

.cog-three .teeth.horizontal {
  left: -70px;
  background: linear-gradient(to right,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 120px,
    var(--cog-color) 120px,
    var(--cog-color));
  height: 25px;
  width: 160px;
}

.teeth.horizontal::after {
  content: '';
  position: absolute;
  transform: rotate(45deg);
}

/* Top left and bottom right teeth */
.cog-one .teeth.horizontal::after {
  background: linear-gradient(to right,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 120px,
    var(--cog-color) 120px,
    var(--cog-color));
  height: 25px;
  width: 170px;
}

.cog-two .teeth.horizontal::after {
  background: linear-gradient(to right,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 80px,
    var(--cog-color) 80px,
    var(--cog-color));
  height: 15px;
  width: 125px;
}

.cog-three .teeth.horizontal::after {
  background: linear-gradient(to right,
    var(--cog-color),
    var(--cog-color) 30px,
    transparent 30px,
    transparent 120px,
    var(--cog-color) 120px,
    var(--cog-color));
  height: 25px;
  width: 160px;
}