@keyframes wheel {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
div {
background: red;
width: 10px;
height: 100px;
border-left: 45px solid transparent;
border-right: 45px solid transparent;
background-clip: content-box;
animation-iteration-count: infinite;
animation-name: wheel;
animation-timing-function: linear;
}
input {
margin-top: 2em;
}