.container{
    height: 500px;
    overflow-y: auto;
    width: 100%;
}
.container-history{
    height: 300px;
    overflow-y: auto;
    width: 100%;
}
#basic-default-message{
    min-height: 150px;
}

[role="textbox"]:empty {
    color:grey;
    border-color:grey;
}
[role="textbox"]:empty::before {
    content:attr(place-text);
}
.line {
    font-size: 15px;
    text-align: center;
    position: relative;
}
.line span {
    background-color: #ffffff;
    position: relative;
    z-index: 1;
    padding: 0px 10px;
}
.line:after {
    content: '';
    display: block;
    width: 100%;
    height: 1px;
    background-color: #262626;
    position: absolute;
    top: 50%;
    z-index: 0;
}
.truncate-text {
    max-width: 350px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
#basic-default-message-info{
    min-height: 150px;
}