admin.dukany.io/public/assets/scss/_app.scss

#chat-box-body{
    z-index: 9998;
    position: relative;
    #chat-circle {
      position: fixed;
      bottom: 15px;
      right: 15px;
      cursor: pointer;
      box-shadow: 0px 3px 16px 0px rgba(0, 0, 0, 0.2), 0 3px 1px -2px rgba(0, 0, 0, 0.2), 0 1px 5px 0 rgba(0, 0, 0, 0.12);
        transform: scale(1);
        border-radius: $default-border-radius;
    }
    &.show{
        .chat-box {
            display:block;
        }
        #chat-circle{
            z-index: 0;
            transform: scale(0);
        }
    }
}

.btn#my-btn {
     background: white;
    padding-top: 13px;
    padding-bottom: 12px;
    border-radius: $default-border-radius;
    padding-right: 40px;
    padding-left: 40px;
    color: #5865C3;
}
#chat-overlay {
    background: rgba(255,255,255,0.1);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: $default-border-radius;
    display: none;
}


.chat-box {
  display:none;
  background: $white;
  position:fixed;
  right:30px;
  bottom:50px;  
  width:350px;
  max-width: 85vw;
  max-height:100vh;
  border-radius:$default-border-radius;  
  -webkit-box-shadow: 0 0 30px 0 rgba(82,63,105,.2);
    box-shadow: 0 0 30px 0 rgba(82,63,105,.2);
}
.chat-box-toggle {
  cursor:pointer;
}
.chat-box-body {
  position: relative;  
  height:370px;  
  height:auto;
  border-bottom: 1px solid #ebedf3;
  border-top: 1px solid #ebedf3;
  overflow: hidden;
}
.chat-box-body:after {
  content: "";
  background-image: url('data:image/svg+xml;base64,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');
  opacity: 0.1;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  height:100%;
  position: absolute;
  z-index: -1;   
}
#chat-input {
  background: $white;
  width:100%; 
  position:relative;
  height:47px;  
  padding-top:10px;
  padding-right:50px;
  padding-bottom:10px;
  padding-left:15px;
  border:none;
  resize:none;
  outline:none;
  color:$dark;
  border-top:none;
  border-bottom-right-radius:$default-border-radius;
  border-bottom-left-radius:$default-border-radius;
  overflow:hidden;  
}
.chat-input > form {
    margin-bottom: 0;
    position: relative;
}
#chat-input::-webkit-input-placeholder { /* Chrome/Opera/Safari */
  color: #ccc;
}
#chat-input::-moz-placeholder { /* Firefox 19+ */
  color: #ccc;
}
#chat-input:-ms-input-placeholder { /* IE 10+ */
  color: #ccc;
}
#chat-input:-moz-placeholder { /* Firefox 18- */
  color: #ccc;
}
.chat-submit {  
  position:absolute;
  bottom:6px;
  right:10px;
  background: transparent;
  box-shadow:none;
  border:none;
  border-radius:$default-border-radius;
  color:#5A5EB9;
  width:35px;
  height:35px;  
    &:focus {
        outline: none;
    }
}
.chat-logs {
  padding:15px; 
  height:370px;
  overflow-y:scroll;
}

.chat-logs::-webkit-scrollbar-track
{
	-webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.3);
	background-color: #F5F5F5;
}

.chat-logs::-webkit-scrollbar
{
	width: 5px;  
	background-color: #F5F5F5;
}

.chat-logs::-webkit-scrollbar-thumb
{
	background-color: $primary;
}



@media only screen and (max-width: 500px) {
   .chat-logs {
        height:40vh;
    }
}

.chat-msg.user div > .msg-avatar img {
  border-radius:$default-border-radius;
  float:left;
}
.chat-msg.self div > {
    .msg-avatar img {
      border-radius:$default-border-radius;
      float:right;
    } 
}
.cm-msg-text {
  background: $gray-100;
  padding:10px 15px 10px 15px;  
  color:#666;
  max-width:75%;
  float:left;
  margin-top:10px; 
  position:relative;
  margin-bottom:20px;
  border-radius:$default-border-radius;
}
.chat-msg {
  clear:both;    
}
.chat-msg.self > .cm-msg-text {  
  float:right;
  background: $primary;
  color:white;
}
.cm-msg-button>ul>li {
  list-style:none;
  float:left;
  width:50%;
}
.cm-msg-button {
    clear: both;
    margin-bottom: 70px;
}