CSS - CSS3动画解析抖音 LOGO制作

<div class="jitter">
    <div class="logo"></div>
</div>

.jitter {
  position: relative;
  width: 200px;
  margin: 100px auto;
}

// 第一部分
.logo {
  position: absolute;
  top: 0;
  left: 0;
  width: 47px;
  height: 218px;
  z-index: 1;
  background: #24f6f0;
}
// 第二部分
.logo::after {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  border: 40px solid #24f6f0;
  border-right: 40px solid transparent;
  border-top: 40px solid transparent;
  border-left: 40px solid transparent;
  top: -110px;
  right: -183px;
  border-radius: 100%;
  transform: rotate(45deg);
  z-index: -10;
}
// 第三部分
.logo::before {
  content: "";
  position: absolute;
  width: 100px;
  height: 100px;
  border: 47px solid #24f6f0;
  border-top: 47px solid transparent;
  border-radius: 50%;
  top: 121px;
  left: -147px;
  transform: rotate(45deg);
}

<div class="jitter">
    <div class="logo"></div>
    <div class="logo"></div>
</div>

...
// 省略上面的样式
...
// 和第一个J错开10px
.logo:last-child {
  left: 10px;
  top: 10px;
  background: #fe2d52;
  z-index: 100;
}
// 填充红色
.logo:last-child::before {
  border: 47px solid #fe2d52;
  border-top: 47px solid transparent;
}
.logo:last-child::after {
  border: 40px solid #fe2d52;
  border-right: 40px solid transparent;
  border-top: 40px solid transparent;
  border-left: 40px solid transparent;
}

mix-blend-mode: normal;         // 正常
mix-blend-mode: multiply;       // 正片叠底
mix-blend-mode: screen;         // 滤色
mix-blend-mode: overlay;        // 叠加
mix-blend-mode: darken;         // 变暗
mix-blend-mode: lighten;        // 变亮
mix-blend-mode: color-dodge;    // 颜色减淡
mix-blend-mode: color-burn;     // 颜色加深
mix-blend-mode: hard-light;     // 强光
mix-blend-mode: soft-light;     // 柔光
mix-blend-mode: difference;     // 差值
mix-blend-mode: exclusion;      // 排除
mix-blend-mode: hue;            // 色相
mix-blend-mode: saturation;     // 饱和度
mix-blend-mode: color;          // 颜色
mix-blend-mode: luminosity;     // 亮度

mix-blend-mode: initial;
mix-blend-mode: inherit;
mix-blend-mode: unset;

.logo:last-child {
  ...
  mix-blend-mode: lighten;
}

.logo:last-child {
  ...
  animation: move 10s infinite;
}
@keyframes move {
  0% {
    transform: translate(200px);
  }
  50% {
    transform: translate(0px);
  }
  100% {
    transform: translate(0px);
  }
}