.parent{ margin:0 auto; position:relative; width:100px; height:100px; left:0; animation:parent 1s linear 0s infinite alternate; } .child{ position: absolute; height:100px; width:10px; box-sizing:border-box; border:1px solid #135790; border-radius: 50%; animation:chi……

@keyframes wiggle{0%{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(.5)}100%{transform:rotate(360deg) scale(1)}}.loader{margin: 0 auto;display: inline-block;text-align: center;height: 50px;}.loader::after, .loader::before{box-sizing: border-box;content: "";width:……