how to do spinning animations with css

ghost.scss

.ghost::before {
	content: "👻";
    padding-right: 5em;
    font-style: normal;
    /* position: fixed or absolute is absolutely essential and nobody told me */
    position: absolute;
    -webkit-animation: ghost 4s linear infinite;
    -moz-animation: ghost 4s linear infinite;
    -o-animation: ghost 4s linear infinite;
    animation: ghost 4s linear infinite;
}

.one::before {
  -webkit-animation-delay: -1s;
  -moz-animation-delay: -1s;
  -o-animation-delay: -1s;
  animation-delay: -1s;
}

.two::before {
  -webkit-animation-delay: -2s;
  -moz-animation-delay: -2s;
  -o-animation-delay: -2s;
  animation-delay: -2s;
}
.three::before {
  -webkit-animation-delay: -3s;
  -moz-animation-delay: -3s;
  -o-animation-delay: -3s;
  animation-delay: -3s;
}

@-moz-keyframes ghost {
  from {
    -moz-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  to {
    -moz-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@-webkit-keyframes ghost {
  from {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  to {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}

@keyframes ghost {
  from {
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }

  to {
    -moz-transform: rotate(360deg);
    -ms-transform: rotate(360deg);
    -o-transform: rotate(360deg);
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}