body {
  margin: 0;
  padding: 0;
  background: black;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  width: 100vw;
}
#logo {
  font-size: 10px;
  height: 20em;
  width: 20em;
  border-radius: 10em;
  position: relative;
  --triangle-size: 4em;
  --triangle-skew: 15deg;
  transition: 2s;
  overflow: hidden;
}
#logo i {
  position: absolute;
  transform: rotate(-45deg);
  top: 5.5em;
  left: .5em;
  transition: 2s;
}
#logo i::before {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border: var(--triangle-size) solid #ffffff;
  border-right: var(--triangle-size) solid transparent;
  border-bottom: var(--triangle-size) solid transparent;
  transform: skew(calc(var(--triangle-skew)*-1), var(--triangle-skew));
  transition: 2s;
}
#logo > i {
  top: 9.5em;
  left: -0.5em;
}