body {
    font-family: sans-serif;
    background: #f0f0f0;
    margin: 0;
}

.wrapper {
    max-width: 600px;
    margin: 30px auto;
    background: #ffffff;
    padding: 20px;
    border-radius: 8px;
}

h1 {
    text-align: center;
}

.line {
    border-top: 2px solid #333;
    margin: 20px 0;
}

.posts {

    background: #fafafa;
}

label {
    display: block;
    margin-top: 10px;
}

input, textarea {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

textarea {
    height: 100px;
    resize: vertical;
}

button {
    margin-top: 15px;
    width: 100%;
    padding: 10px;
    background: #333;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: #555;
}
.response {
    margin-left: 20px;
    padding-left: 10px;
    border-left: 2px solid #ccc;
}