@mixin html-icon() {
  .htmlIcon {
    width: 20px;
    height: 20px;
    border-radius: 100%;
    color: $white;
    display: inline-block;
    cursor: pointer;
    text-align: center;
    font-size: 14px;
    user-select: none;
    line-height: 1.2;
    &.rotate {
      animation: rotation 2s infinite linear;
      font-size: 25px;
    }
    &.default {
      background: transparent;
      color: $light-black; // set theme
      font-size: 14px;
      display: inline;
    }
    &.success {
      background: $success;
    }
    &.error {
      background: $error;
    }
    &.warning {
      background: $warning;
    }
    &.tilt-45 {
      transform: rotate(45deg);
    }
  }
}