sisMobilePhone/components/mine/chat/css_v1.1/chat.css

.bubbleDiv{  
    width: 100%;
    height: 500px;
    margin: 0px;
    padding: 0px;
}  
.bubbleItem{  
    width: 100%;  
    list-style:none;
    margin: 0px;
    padding: 5px;
}  
.bubble{  
    position: relative;  
    line-height: 30px;  
    border-radius: 7px;  
    display: inline-block;  
    padding-left: 10px;
    padding-right: 10px;
}  
.leftBubble{  
    position: relative;  
    margin-left: 15px;  
    border: 1px solid #00b6b6;  
    background-color: #f8fdfc;  
}  
.leftBubble .bottomLevel{  
    position: absolute;  
    top: 10px;  
    left: -10px;  
    border-top: 10px solid #00b6b6;  
    border-left: 10px solid transparent;  
}  
.leftBubble .topLevel{  
    position: absolute;  
    top: 11px;  
    left: -8px;  
    border-top: 10px solid #f8fdfc;  
    border-left: 10px solid transparent;  
    z-index: 100;  
}
.rightBubble{  
    position: relative;
    float: right;
    margin-right:15px;
    border: 1px solid #00b6b6;  
    background-color: #f8fdfc;  
}  
.rightBubble .bottomLevel{  
    position: absolute;  
    top: 10px;  
    right: -10px;  
    border-top: 10px solid #00b6b6;  
    border-right: 10px solid transparent;  
}  
.rightBubble .topLevel{  
    position: absolute;  
    top: 11px;  
    right: -8px;  
    border-top: 10px solid #f8fdfc;  
    border-right: 10px solid transparent;  
    z-index: 100;  
}
.clearfix:after {  
    visibility: hidden;  
    display: block;  
    font-size: 0;  
    content: " ";  
    clear: both;  
    height: 0;  
}
.overflow-3::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,0.0);
}

.overflow-3::-webkit-scrollbar {
   width: 6px;
}
.overflow-3::-webkit-scrollbar-thumb {
   background-color:skyblue;
   border-radius   : 10px;
}