* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: serif;
    font-size: 24px;
    line-height: 1.8;
    color: #000;
    background-color: #fff;
    padding: 30px 25px;
    margin: 0;
}

h1 {
    font-size: 40px;
    margin-bottom: 20px;
    font-weight: bold;
    border-bottom: 3px solid #000;
    padding-bottom: 15px;
}

footer {
    margin-top: 50px;
    padding-top: 20px;
    border-top: 2px solid #000;
    font-size: 18px;
    text-align: center;
    color: #333;
}