body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 0 20px;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

main {
    padding: 20px 0;
}

footer {
    background: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    width: 100%;
}

textarea {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    margin-bottom: 10px;
    box-sizing: border-box;
}

button {
    width: 100%;
    padding: 10px;
    border: none;
    background: #333;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 10px;
}

button:hover {
    background: #555;
}

.back-link {
    display: block;
    text-align: center;
    margin-top: 20px;
}