body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    text-align: center;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.container {
    max-width: 600px;
    margin: 50px auto;
    background: #1e1e1e;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 0px 10px rgba(255, 255, 255, 0.1);
    box-sizing: border-box;
}

h1 {
    font-size: 24px;
    color: #ffffff;
}

.post {
    font-size: 16px;
    font-family: monospace;
    background: #222;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
    box-shadow: 0px 0px 5px rgba(255, 255, 255, 0.1);
    display: inline-block;
    min-width: 120px;
    max-width: 100%;
    margin-bottom: 10px;
    box-sizing: border-box;
}

.post small {
    display: block;
    font-size: 12px;
    color: #bbb;
    margin-top: 5px;
}

textarea {
    background: #2a2a2a;
    border: 1px solid #444;
    color: #e0e0e0;
    padding: 10px;
    font-size: 14px;
    border-radius: 5px;
    resize: none;
    display: block;
    margin: 0 auto;
    max-width: 100%;
    box-sizing: border-box;
}

button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 15px;
    margin-top: 10px;
    cursor: pointer;
    font-size: 16px;
    border-radius: 5px;
    display: block;
    margin: 0 auto;
    box-sizing: border-box;
}

button:hover {
    background-color: #45a049;
}