* {

    margin: 0;

    padding: 0;

    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;

    box-sizing: border-box;

}



html, body {

    height: 100%;

}



body {

    display: flex;

    flex-direction: column;

    min-height: 100vh;

    background-color: #f9f9f9;

    color: #333;

    line-height: 1.6;

}



.main {

    flex: 1;

    padding: 20px;

}



h1 {

    font-size: 2rem;

    margin-bottom: 20px;

    color: #222;

    text-align: center;

}



h2 {

    font-size: 1.5rem;

    margin-top: 20px;

    margin-bottom: 10px;

    color: #444;

}



p {

    margin-bottom: 15px;

}



ul {

    margin-left: 20px;

    margin-bottom: 15px;

}



li {

    margin-bottom: 5px;

}