article{
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 20px;
}
h1{
    color: #000000;
    text-align: center;
    margin-bottom: 20px;
}
p{
    font-size: 18px;
    color: #555;
}
ul{
    list-style-type: square;
    margin-left: 40px;
}
li{
    margin-bottom: 10px;
}
a{
    color: #007BFF;
    text-decoration: none;
}
body{
    background-color: #ffffff;
}