ant-design/site/theme/static/santa.less

.santa {
  display: inline-block;
  vertical-align: middle;
  margin-left: -8px;
  transform: scale(0.4);
}

.santa-body {
  font-size: 60px;
  color: #f91047;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 1em;
  height: 1em;
  background-color: currentColor;
  box-shadow: inset 0 -0.25em rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  transform-origin: center bottom;
  animation: balance alternate infinite 2s ease-in-out;
}

.santa-head {
  font-size: 0.4em;
  width: 1em;
  height: 1.9em;
  background-color: white;
  border-radius: 0.5em;
  transform: translateY(-1em);
  position: relative;
}

.santa-head::before {
  content: '';
  width: 1em;
  height: 0.375em;
  display: block;
  background-color: #ff9876;
  position: absolute;
  left: 0;
  top: 0.65em;
}

.santa-ear {
  background-color: #fc8363;
  width: 0.1em;
  height: 0.3em;
  position: absolute;
  top: 0.75em;
}

.santa-ear:nth-of-type(1) {
  border-radius: 0.05em 0 0 0.05em;
  left: -0.1em;
}

.santa-ear:nth-of-type(2) {
  border-radius: 0 0.05em 0.05em 0;
  right: -0.1em;
}

.santa-hat {
  content: '';
  width: 1em;
  height: 0.15em;
  position: absolute;
  transform: scale(1.1);
  top: 0.5em;
  left: 0;
  background-color: white;
}

.santa-hat::before {
  content: '';
  display: block;
  width: 1em;
  height: 0.5em;
  background: #f91047;
  border-radius: 0.5em 0.5em 0 0;
  z-index: 2;
  position: absolute;
  top: -0.5em;
}

.santa-hat::after {
  /* pompom */
  content: '';
  width: 0.25em;
  height: 0.25em;
  display: block;
  background-color: white;
  border-radius: 50%;
  position: absolute;
  z-index: 0;
  top: -0.72em;
  right: 0;
  box-shadow: -0.2em 0.2em 0 0.12em rgba(0, 0, 0, 0.2), -0.2em 0.2em 0 0.12em #f91047;
}

.santa-eye {
  width: 0.12em;
  height: 0.12em;
  background-color: black;
  border-radius: 50%;
  position: absolute;
  top: 0.76em;
  left: 0.2em;
}

.santa-eye + .santa-eye {
  left: auto;
  right: 0.2em;
}

.santa-nose {
  width: 0.12em;
  height: 0.22em;
  background-color: #f24c4c;
  border-radius: 0 0 0.12em 0.12em;
  position: absolute;
  top: 0.84em;
  left: 50%;
  transform: translateX(-50%);
}

.santa-mouth {
  width: 0.18em;
  height: 0.1em;
  border-bottom-right-radius: 5vw;
  border-bottom-left-radius: 5vw;
  margin-top: 0.3em;
  background-color: black;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  animation: hohoho 4s linear forwards infinite;
}

@keyframes hohoho {
  0%, 10%, 20%, 40%, 100% {
    /* smiling */
    width: 0.18em;
    height: 0.1em;
    border-bottom-right-radius: 1vw;
    border-bottom-left-radius: 1vw;
  }

  5%, 15%, 25%, 35% {
    /* hohoho */
    width: 0.15em;
    height: 0.2em;
    border-radius: 50%;
  }
}

@keyframes balance {
  from { transform: rotate(-2deg); }
  to { transform: rotate(2deg); }
}