body, h1, h2, p, ul, li {
    margin: 0;
    padding: 0;
}


body {
    font-family: 'Arial', sans-serif;
    background-color: #f2f2f2;
    color: #333;
    line-height: 1.6;
}


header {
    background-color: #007bff;
    color: #fff;
    text-align: center;
    padding: 20px;
}


nav {
    background-color: #333;
}

ul {
    list-style-type: none;
    overflow: hidden;
}

li {
    float: left;
}

a {
    display: block;
    color: #fff;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}



section {
    margin: 20px;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
}

h2 {
    color: #007bff;
}


footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px;
    position: fixed;
    bottom: 0;
    width: 100%;
}