amis/scss/components/_toast.scss

@keyframes bounceIn {
  from,
  20%,
  40%,
  60%,
  80%,
  to {
    animation-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
  }

  0% {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }

  20% {
    transform: scale3d(1.1, 1.1, 1.1);
  }

  40% {
    transform: scale3d(0.9, 0.9, 0.9);
  }

  60% {
    opacity: 1;
    transform: scale3d(1.03, 1.03, 1.03);
  }

  80% {
    transform: scale3d(0.97, 0.97, 0.97);
  }

  to {
    opacity: 1;
    transform: scale3d(1, 1, 1);
  }
}

@keyframes bounceOut {
  20% {
    transform: scale3d(0.9, 0.9, 0.9);
  }

  50%,
  55% {
    opacity: 1;
    transform: scale3d(1.1, 1.1, 1.1);
  }

  to {
    opacity: 0;
    transform: scale3d(0.3, 0.3, 0.3);
  }
}

.#{$ns}Toast {
  display: flex;
  align-items: center;

  &-wrap {
    pointer-events: none;
    position: fixed;
    z-index: $zindex-toast;
  }

  max-width: var(--Toast-width);
  pointer-events: auto;
  margin-bottom: var(--gap-xs);

  padding: var(--Toast-paddingY) var(--Toast-paddingX);

  box-shadow: var(--Toast-box-shadow);
  border-radius: var(--Toast-borderRadius);
  border: var(--Toast-border-width) solid;
  color: var(--Toast-color);
  position: relative;
  opacity: var(--Toast-opacity);
  cursor: pointer;
  opacity: 0;
  transform: translateZ(0);

  &.in,
  &.out {
    animation-fill-mode: both;
    animation-duration: var(--animation-duration);
    opacity: 1;
  }

  &.in {
    animation-name: bounceIn;
  }

  &.out {
    animation-name: bounceOut;
  }

  &-close {
    color: var(--Toast-close-color);
    display: inline-flex;
    margin-left: var(--gap-xs);
    opacity: 0.8;

    &:hover {
      color: var(--Toast-close--onHover-color);
      opacity: 1;
    }
  }

  &-body {
    display: inline-block;
    vertical-align: middle;
    white-space: pre-wrap;
    flex-grow: 1;
  }

  &-icon {
    display: inline-flex;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    vertical-align: middle;

    margin-right: var(--gap-xs);

    > svg {
      top: 0;
      width: var(--Toast-icon-width);
      height: var(--Toast-icon-height);
      color: inherit;
    }
  }

  // colors
  &--error {
    color: var(--Toast--danger-color);
    border-color: var(--Toast--danger-borderColor);
    background: var(--Toast--danger-bgColor);
  }

  &--warning {
    color: var(--Toast--warning-color);
    border-color: var(--Toast--warning-borderColor);
    background: var(--Toast--warning-bgColor);
  }

  &--info {
    color: var(--Toast--info-color);
    border-color: var(--Toast--info-borderColor);
    background: var(--Toast--info-bgColor);
  }

  &--success {
    color: var(--Toast--success-color);
    border-color: var(--Toast--success-borderColor);
    background: var(--Toast--success-bgColor);
  }

  // positions
  &-wrap--topRight {
    top: var(--gap-base);
    right: var(--gap-base);
  }

  &-wrap--topCenter {
    top: var(--gap-base);
    left: 50%;
    margin-left: calc(var(--Toast-width) / -2);
  }

  &-wrap--topLeft {
    top: var(--gap-base);
    left: var(--gap-base);
  }

  &-wrap--bottomLeft {
    left: var(--gap-base);
    bottom: var(--gap-base);
  }

  &-wrap--bottomCenter {
    left: 50%;
    margin-left: calc(var(--Toast-width) / -2);
    bottom: var(--gap-base);
  }

  &-wrap--bottomRight {
    bottom: var(--gap-base);
    right: var(--gap-base);
  }
}