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

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
}

.banner {
    background: #333;
    color: #fff;
    padding: 2rem 0;
    text-align: center;
}

.banner .logo {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}

.banner h1 {
    margin-top: 1rem;
}

.about-section, .contact-section {
    padding: 2rem 0;
    border-bottom: 1px #ddd solid;
}

.about-section h2, .contact-section h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.contact-info {
    text-align: center;
    margin-bottom: 2rem;
}

.contact-form {
    width: 50%;
    margin: auto;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: .5rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: .5rem;
    border: 1px #ddd solid;
    border-radius: 5px;
}

button {
    display: block;
    width: 100%;
    padding: .7rem;
    border: none;
    background: #333;
    color: #fff;
    cursor: pointer;
    border-radius: 5px;
}

button:hover {
    background: #555;
}

footer {
    text-align: center;
    padding: 2rem 0;
    background: #333;
    color: #fff;
}