.pre-scrollable {
    max-height: 550px;
    overflow-y: scroll;
}

.full-height, .section, .wrapper, .container-fluid, main,iframe{
    height:100%;
}

#bot {
        color:gray;
        font-size: 20px;
        margin:10px;
        
} 
#bot:hover{
    color:orange;
}
#webchat2 {
    position: relative;
    width: 100%;
    height:300px !important;
    overflow-x:hidden;
    overflow-y:auto
}