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

header {
    background-color: #8a2be2;
    color: #fff;
    text-align: center;
    padding: 1rem;
}

nav {
    margin-top: 1rem;
}

button {
    background-color: #6a1b9a;
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    margin: 0 0.5rem;
    cursor: pointer;
}

main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

section {
    background-color: #fff;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 5px;
}

textarea {
    width: 100%;
    height: 100px;
    margin-bottom: 1rem;
}

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

.post {
    border-bottom: 1px solid #ddd;
    padding: 1rem 0;
}

.post:last-child {
    border-bottom: none;
}