.messages__item--typing {
  will-change: transform;
  width: auto;
  border-top-right-radius: 20px;
  border-top-left-radius: 20px;
  border-bottom-right-radius: 20px;
  padding: 15px 20px;
  display: table;
  margin-right: auto;
  position: relative;
  animation: 2s bulge infinite ease-out;
}

.messages__item--typing::before,
.messages__item--typing::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: -2px;
    height: 10px;
    width: 10px;
    border-radius: 50%;
}
.messages__item--typing::after {
    height: 10px;
    width: 10px;
    left: -10px;
    bottom: -10px;
}
span.messages__dot {
  height: 8px;
  width: 8px;
  float: left;
  margin: 0 1px;
  background-color: #a7a7a7;
  display: block;
  border-radius: 50%;
  opacity: 0.4;
  animation: 1s blink infinite;
}

@keyframes blink {
  50% {
      opacity: 1;
  }
}

@keyframes bulge {
  50% {
      transform: scale(1.05);
  }
}