<div class="container">
  <input type="checkbox" class="custom">
  <div class="dots">
    <span class="dot one"></span>
    <span class="dot two"></span>
    <span class="dot three"></span>
  </div>
</div>

body {
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #130f40;
  
  .container {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    
    .custom {
      position: absolute;
      opacity: 0;
      margin: 0;
      width: 70%;
      height: 70%;
      z-index: 1;
      cursor: pointer;
    }
    
    .dots {
      position: relative;
      top: -8px;
      display: flex;
      width: 58px;
      justify-content: space-between;
      
      .dot {
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background-color: #fff;
      }
      
      .one {
        position: absolute;
        left: 0;
        top: 0;
        transition: left 250ms linear 250ms, top 250ms linear, transform 250ms linear, height 250ms linear, border-radius 250ms linear;
      }
      
      .two {
        position: absolute;
        left: 21px;
        top: 0;
        width: 16px;
        height: 16px;
        box-sizing: border-box;
        background-color: #fff;
        transform-origin: center;
        border: 3px solid #fff;
        opacity: 1;
      }
      
      .three {
        position: absolute;
        left: 42px;
        top: 0;
        transition: left 250ms linear 250ms, top 250ms linear, transform 250ms linear, height 250ms linear, border-radius 250ms linear;
      }
    }
  }
}

.custom:checked ~ .dots .one {
  top: -32px;
  left: 21px;
  height: 80px;
  transform-origin: 50% 50%;
  transform: rotateZ(45deg);
  border-radius: 25px;
  transition: left 250ms linear, top 250ms linear 250ms, transform 250ms linear 250ms, height 250ms linear 250ms, opacity 100ms;
}

.custom:checked ~ .dots .two {
  animation: two 500ms linear forwards 180ms;
}

.custom:not(:checked) ~ .dots .two {
  animation: two-back 500ms linear forwards;
}

@keyframes two {
  0% {
    top: 0;
    left: 21px;
    width: 16px;
    height: 16px;
    opacity:0;
  }
  60% {
    opacity: 0;
  }
  100% {
    top: -42px;
    left: -21px;
    width: 100px;
    height: 100px;
    background-color: transparent;
    opacity: 1;
  }
}

.custom:checked ~ .dots .three {
  top: -32px;
  left: 21px;
  height: 80px;
  transform-origin: 50% 50%;
  transform: rotateZ(-45deg);
  border-radius: 25px;
  transition: left 250ms linear, top 250ms linear 250ms, transform 250ms linear 250ms, height 250ms linear 250ms;
}