body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: #f4f4f4;
}

.container {
    width: 80%;
    margin: 0 auto;
}

header {
    background-color: #333;
    color: white;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 3rem;
}

header p {
    font-size: 1.5rem;
}

section {
    padding: 40px 0;
}

section#about {
    background-color: #fff;
    text-align: center;
}

section#portfolio {
    background-color: #f9f9f9;
}

.portfolio-item {
    display: inline-block;
    width: 30%;
    margin: 15px 1%;
    text-align: center;
}

.portfolio-item img {
    width: 100%;
    height: auto;
}

form input, form textarea {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
}

form button {
    padding: 10px 20px;
    background-color: #333;
    color: white;
    border: none;
    cursor: pointer;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px;
}