body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

.menu-bar {
    background-color: steelblue;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2;
}

.menu {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    padding-left: 33%;
}

.menu li {
    display: inline;
    margin: 20px 0;
    margin-right: 30px;
}

.menu a {
    text-decoration: none;
    color: #fff;
    padding: 0 10px;
}

.menu a:hover {
    text-decoration: underline;
}

.container {
    display: flex;
}

.left-panel {
    background-color: steelblue;
    color: #fff;
    padding: 20px;
    width: 30%;
    position: fixed;
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.message-panel {
    margin-left: 30%;
    padding: 20px;
    width: 70%;
    overflow-y: scroll;
}

.section {
    padding: 20px;
    height: 100vh;
}

.section h2 {
    padding: 10px;
}

.squirrel-text {
    font-size: 48px;
    text-align: center;
}

.squirrel-image {
    width: 200px;
    display: block;
    margin: 0 auto;
}

.sample-text {
    padding: 10px;
}