.dot-stretching {
  position: relative;
  width: 10px;
  height: 10px;
  border-radius: 5px;
  background-color: #288ad6;
  color: #288ad6;
  transform: scale(1.25, 1.25);
  animation: dotStretching 2s infinite ease-in;
  text-align: left;
}
.dot-stretching::before {
  width: 10px;
  height: 10px;
  border-radius: 5px;
  background-color: #288ad6;
  color: #288ad6;
  animation: dotStretchingBefore 2s infinite ease-in;
}
.dot-stretching::after {
  width: 10px;
  height: 10px;
  border-radius: 5px;
  background-color: #288ad6;
  color: #288ad6;
  animation: dotStretchingAfter 2s infinite ease-in;
}
.dot-stretching::before,
.dot-stretching::after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 0;
}
[class^="boxchat-"],
[class*="boxchat-"] {
  background-image: url(https://duhunggroups.com/wp-content/uploads/2024/05/widgetchat.png);
  background-repeat: no-repeat;
  display: inline-block;
  height: 30px;
  width: 30px;
  line-height: 30px;
  vertical-align: middle;
  background-size: 150px 376px;
}
.boxchat-fb, .boxchat-zalo-oa {
  background-image: none;
}
.boxchat-balloons {
  background-position: -1px -286px;
  width: 87px;
  height: 87px;
}
.boxchat-call {
  background-position: -96px -318px;
  width: 24px;
  height: 24px;
}
.boxchat-zalo {
  background-position: -124px 0;
  width: 24px;
  height: 24px;
}
.boxchat-closewindow {
  background-position: -131px -32px;
  width: 10px;
  height: 11px;
}
.ntq-boxchat {
  display: block;
}
.ntq-boxchat .boxchat-balloons {
  position: fixed;
  bottom: 24px;
  left: 40px;
  cursor: pointer;
  z-index: 99;
}
.chat-window {
  position: fixed;
  left: 50px;
  bottom: 114px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 0 12px rgba(51, 51, 51, 0.2);
  padding: 8px 16px 16px;
  display: none;
  transition: 0.3s;
  z-index: 99;
}
.chat-window.active {
  display: block;
}
.chat-window .sp-onl {
  display: block;
  overflow: hidden;
}
.chat-window .sp-onl h4 {
  display: block;
  overflow: hidden;
  font-size: 14px;
  line-height: 20px;
  color: #333;
  font-weight: bold;
}
.chat-window .sp-onl i {
  position: absolute;
  right: 8px;
  top: 8px;
  cursor: pointer;
}
.chat-window ul {
  display: block;
  overflow: hidden;
}
.chat-window ul li {
  display: block;
  overflow: hidden;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  margin: 12px 0;
  padding: 6px 26px 6px 16px;
  position: relative;
}
.chat-window ul li .stage {
  display: none;
  position: absolute;
  top: calc(50% - 5px);
  left: 50%;
}
.chat-window ul li:last-child {
  margin: 0;
}
.chat-window ul li a {
  display: block;
  overflow: hidden;
}
.chat-window ul li i {
  display: inline-block;
  vertical-align: middle;
}
.chat-window ul li strong {
  display: inline-block;
  vertical-align: middle;
  font-size: 14px;
  line-height: 20px;
  font-weight: 600;
  margin: 0 0 0 8px;
  color: #333;
}
.chat-window ul li strong.no-pointer {
  cursor: text;
}
.chat-window ul li span {
  display: block;
  overflow: hidden;
  font-size: 12px;
  font-weight: 400;
  color: #333;
}
@media screen and (max-width: 640px) {
  .ntq-boxchat .boxchat-balloons {
    bottom: 80px;
    right: 16px;
  }
  .chat-window {
    bottom: 170px;
    right: 26px;
  }
}
.ntq-boxchat * {
  box-sizing: border-box;
}
.ntq-boxchat a {
  text-decoration: none;
  transition: 0.3s;
}
.ntq-boxchat ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
.ntq-boxchat h4 {
  font: 14px/18px Helvetica Neue, Helvetica, Arial, SF Pro Display, sans-serif;
  color: #333;
  outline: 0;
}
@keyframes dotStretching {
  0% {
    transform: scale(1.25, 1.25);
  }
  50%,
  60% {
    transform: scale(0.8, 0.8);
  }
  100% {
    transform: scale(1.25, 1.25);
  }
}
@keyframes dotStretchingBefore {
  0% {
    transform: translate(0) scale(0.7, 0.7);
  }
  50%,
  60% {
    transform: translate(-20px) scale(1, 1);
  }
  100% {
    transform: translate(0) scale(0.7, 0.7);
  }
}
@keyframes dotStretchingAfter {
  0% {
    transform: translate(0) scale(0.7, 0.7);
  }
  50%,
  60% {
    transform: translate(20px) scale(1, 1);
  }
  100% {
    transform: translate(0) scale(0.7, 0.7);
  }
}