<div class="container">
  <div class="wrapper">
    <div class="circle1"></div>
  </div>

  <div class="wrapper">
    <div class="circle2"></div>
  </div>

  <div class="wrapper">
    <div class="circle3"></div>
  </div>

  <div class="wrapper">
    <div class="circle4"></div>
  </div>

  <div class="wrapper">
    <div class="circle5"></div>
  </div>

  <div class="wrapper">
    <div class="circle6"></div>
  </div>

  <div class="wrapper">
    <div class="circle7"></div>
  </div>

  <div class="wrapper">
    <div class="circle8"></div>
  </div>

  <div class="wrapper">
    <div class="circle9"></div>
  </div>

  <div class="wrapper ">
    <div class="outer">
      <div class="circle10"></div>
      <div class="circle10"></div>
      <div class="circle10"></div>
      <div class="circle10"></div>
    </div>
  </div>

</div>

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.container {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  background: #222;
}

.wrapper {
  width: 200px;
  height: 200px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* ==== Animation 1 ==== */

.circle1 {
  position: relative;
  height: 100px;
  width: 100px;
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 0 0 10px 2px #ff006e;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle1:before {
  content: "";
  border-radius: 50%;
  position: absolute;
}

.circle1:before {
  border: 50px solid transparent;
  border-top-color: #ff006e;
  animation: rotate 2s linear infinite;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* ==== Animation 2 ==== */

.circle2 {
  position: relative;
  height: 100px;
  width: 100px;
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 0 0 10px 2px #ff006e;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle2:after,
.circle2:before {
  content: "";
  border-radius: 50%;
  position: absolute;
}

.circle2::before {
  border: 50px solid transparent;
  border-top-color: #ff006e;
  animation: rotate 2s linear infinite;
}

.circle2::after {
  height: 50px;
  width: 50px;
  background-color: #000;
}

/* ==== Animation 3 ==== */

.circle3 {
  position: relative;
  height: 100px;
  width: 100px;
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 0 0 10px 2px #ff006e;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle3:after,
.circle3:before {
  content: "";
  border-radius: 50%;
  position: absolute;
}

.circle3::before {
  border: 50px solid transparent;
  border-top-color: #ff006e;
  animation: rotate 2s linear infinite;
}

.circle3::after {
  height: 95px;
  width: 95px;
  background-color: #000;
}

/* ==== Animation 4 ==== */

.circle4 {
  position: relative;
  height: 100px;
  width: 100px;
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 0 0 10px 2px #ff006e;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle4:after,
.circle4:before {
  content: "";
  border-radius: 50%;
  position: absolute;
}

.circle4::before {
  border: 50px solid transparent;
  border-top-color: #ff006e;
  border-bottom-color: #ff006e;
  animation: rotate 2s linear infinite;
}

.circle4::after {
  height: 90px;
  width: 90px;
  background-color: #000;
}

/* ==== Animation 5 ==== */

.circle5 {
  position: relative;
  height: 100px;
  width: 100px;
  border-radius: 50%;
  background-color: #fee440;
  box-shadow: 0 0 10px 2px #ff006e;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle5:before {
  content: "";
  border-radius: 50%;
  position: absolute;
}

.circle5::before {
  border: 50px solid transparent;
  border-top-color: #ff006e;
  border-bottom-color: #ff006e;
  animation: rotate 2s linear infinite;
}

/* ==== Animation 6 ==== */
.circle6 {
  width: 100px;
  height: 100px;
  position: relative;
  border-radius: 50%;
}

.circle6:before,
.circle6:after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.circle6:before {
  width: 100%;
  height: 100%;
  animation: rotate 1s infinite linear;
  background-image: linear-gradient(40deg, #ff006e 30%, #fee440 40%, #000 60%);
}

.circle6:after {
  width: 90%;
  height: 90%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #222;
  box-shadow: inset 0 0 20px #555;
}

/* ==== Animation 7 ==== */
.circle7 {
  height: 100px;
  width: 100px;
  border-radius: 50%;
  border: dashed 2px #ff006e;
  animation: rotate 3s infinite linear;
}

/* ==== Animation 8 ==== */
.circle8 {
  height: 100px;
  width: 100px;
  border-radius: 50%;
  animation: rotate 3s infinite linear, changeType 1s infinite linear;
}

@keyframes changeType {
  0% {
    border: dashed 3px #ff006e;
  }
  25% {
    border: dashed 4px #ff006e;
  }
  50% {
    border: dashed 6px #ff006e;
  }
  75% {
    border: dashed 8px #ff006e;
  }
  100% {
    border: solid 8px #ff006e;
  }
}

/* ==== Animation 9 ==== */
.circle9 {
  height: 100px;
  width: 100px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: rotate 1s ease infinite;
}

.circle9:after,
.circle9:before {
  content: " ";
  position: absolute;
  border: 5px solid #118ab2;
  border-radius: 50%;
}

.circle9:after {
  height: 100%;
  width: 100%;
  border-left-color: #3a86ff;
  border-top-color: #8338ec;
  border-right-color: #ff006e;
  border-bottom-color: #fb5607;
}

.circle9:before {
  height: 120px;
  width: 120px;
  border: 5px solid transparent;
  border-bottom-color: #bbadff;
  opacity: 1;
  animation: rotate reverse 1s ease infinite;
}

/* ==== Animation 10 ==== */
.outer {
  position: relative;
  width: 100px;
  height: 100px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background-image: linear-gradient(
    0deg,
    rgba(255, 85, 85, 1) 0.1%,
    rgba(85, 85, 255, 1) 100%
  );
  animation: rotate 1s linear infinite;
}

.outer:after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  background: #000;
  border: 5px solid #fff;
  border-radius: 50%;
}

.circle10 {
  width: 100%;
  height: 100%;
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(to right, #c6ffdd, #fbd786, #f7797d);
}

.circle10:nth-child(1) {
  filter: blur(5px);
}

.circle10:nth-child(2) {
  filter: blur(10px);
}

.circle10:nth-child(3) {
  filter: blur(15px);
}

.circle10:nth-child(4) {
  filter: blur(20px);
}