html, body {
    padding: 0;
    height: 100%;
}

#messages {
    width: 100%;
    border: 1px solid #ccc;
    height: calc(100% - 120px);
    float: none;
    margin: 0px auto;
    padding-left: 0px;
    overflow-y: auto;
}

textarea:focus {
    outline: none !important;
}

.system-message {
    background: #87CEFA;
}

.broadcast-message {
    display: inline-block;
    background: yellow;
    margin: auto;
    padding: 5px 10px;
}

.message-entry {
    overflow: auto;
    margin: 8px 0;
}

.message-avatar-ai {
    display: inline-block;
    padding: 10px;
    max-width: 8em;
    word-wrap: break-word;
}

.message-avatar-visitor {
    display: inline-block;
    padding: 10px;
    max-width: 8em;
    word-wrap: break-word;
}

.message-content-ai {
    display: inline-block;
    background-color: #b2e281;
    padding: 10px;
    margin: 0 0.5em;
    max-width: calc(60%);
    word-wrap: break-word;
}

.message-content-visitor {
    display: inline-block;
    background-color: #87CEFA;
    padding: 10px;
    margin: 0 0.5em;
    max-width: calc(60%);
    word-wrap: break-word;
}

.message-content.pull-left:before {
    width: 0;
    height: 0;
    display: inline-block;
    float: left;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-right: 10px solid #b2e281;
    margin: 15px 0;
}

.message-content.pull-right:after {
    width: 0;
    height: 0;
    display: inline-block;
    float: right;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 10px solid #b2e281;
    margin: 15px 0;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 22px;
}

    .switch input {
        opacity: 0;
        width: 0;
        height: 0;
    }

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    -webkit-transition: .4s;
    transition: .4s;
}

    .slider:before {
        position: absolute;
        content: "";
        height: 17px;
        width: 17px;
        left: 4px;
        bottom: 4px;
        background-color: white;
        -webkit-transition: .4s;
        transition: .4s;
    }

input:checked + .slider {
    background-color: #2196F3;
}

input:focus + .slider {
    box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
    -webkit-transform: translateX(26px);
    -ms-transform: translateX(26px);
    transform: translateX(26px);
}

/* Rounded sliders */
.slider.round {
    border-radius: 22px;
}

    .slider.round:before {
        border-radius: 50%;
    }

.accordion {
    background-color: #eee;
    color: #444;
    cursor: pointer;
    padding: 18px;
    width: 100%;
    border: none;
    text-align: left;
    outline: none;
    font-size: 15px;
    transition: 0.4s;
    margin-left: 17px;
    margin-bottom: 6px;
}

    .active, .accordion:hover {
        background-color: #ccc;
    }

.panel {
    padding: 0 18px;
    display: none;
    background-color: white;
    overflow: hidden;
   
}