<div class="bar">
    <div class="ball"></div>
</div>
*{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html,
body {
  height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background-color: #212121;
  font-family:arial;
}
.ball {
  position: relative;
  bottom: 50px;
  left: calc(100% - 20px);
  width: 50px;
  height: 50px;
  background: #fff;
  border-radius: 50%;
  animation: ball-move8234 3s ease-in-out 1s infinite alternate;
}

.ball::after {
  position: absolute;
  content: '';
  top: 25px;
  right: 5px;
  width: 5px;
  height: 5px;
  background: #000;
  border-radius: 50%;
}

.bar {
  width: 200px;
  height: 12.5px;
  background: #FFDAAF;
  border-radius: 30px;
  transform: rotate(-15deg);
  animation: up-down6123 3s ease-in-out 1s infinite alternate;
}

@keyframes up-down6123 {
  from {
    transform: rotate(-15deg);
  }

  to {
    transform: rotate(15deg);
  }
}

@keyframes ball-move8234 {
  from {
    left: calc(100% - 40px);
    transform: rotate(360deg);
  }

  to {
    left: calc(0% - 20px);
    transform: rotate(0deg);
  }
}
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