* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

*, *:before, *:after {
    box-sizing: inherit;
}

body {
    box-sizing: border-box;
}

:root {
    --color-back: #fff;
    --radius-div: 20px;
}

body {
    height: 100vh;
    width: 100vw;
    display: flex;
    justify-content: center;
    align-items: center;
    background: gray;
}

.login {
    width: 300px;
    padding: 30px 0;
    border-radius: var(--radius-div);
    background: var(--color-back);
}

.login div {
    width: 100%;
    padding: 5px 0;
    text-align: center;
}

.login div input{
    padding: 10px;
}

.container {
    width: 90%;
    height: 500px;
    border-radius: var(--radius-div);
    background: var(--color-back);
}

.content {
    margin: 10px;
    display: flex;
    flex-wrap: wrap;
}

.btn-up {
    width: 100%;
}
.div-menu {
    margin-top: 15px;
    width: 20%;
}

.list-menu {
    list-style: none;
    line-height: 3;
    border-top: 1px solid black;
    border-left: 1px solid black;
    border-right: 1px solid black;
}

.list-menu li {
    border-bottom: 1px solid black;
    padding: 0 15px;
    cursor: pointer;
}

.list-menu li:hover {
    background: #CDCDCD;
}

.panel {
    margin-top: 15px;
    width: 79%;
    margin-left: 10px;
    height: 430px;
    border: 1px solid black;
}

.panel-div {
    padding: 10px;
}

.table {
    border: 1px solid black;
    width: 100%;
}

.table thead, tbody {
    display: block;
}

.table thead{
    color: #fff;
    background: black;
}

.table thead th, tbody td {
    width: 33%;
}

.table tbody {
    min-height: 180px;
}

.table td {
    text-align: center;
}

.modal-chat {
    width: 100%;
    margin: 10px;
}

.modal-msg-bot span {
    background: green;
    color: white;
    margin: 10px;
    padding: 10px;
}

.modal-msg-user {
    text-align: right;
}

.modal-msg-user span {
    display: inline-block;
    background: wheat;
    color: black;
    margin: 10px;
    padding: 10px;
}

[type="submit"],
button {
    padding: 10px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    background: skyblue;
    outline: none;
}

[type="submit"]:hover,
button:hover {
    background: rgb(32, 168, 221);
}