body{ 
    font-family: Arial;
    background-color: #D3D3D3;
    margin: 20px; 
    text-align: center;
} 
h1{ 
    color: white;
} 
p{ 
    color: darkblue;
    line-height:1.6;
    max-width:800px;
    text-align:center;
    margin:auto;
} 
h2{
    color: green; 

}
ol{
    display: inline-block;
    text-align: center; 
}
ul{
    display: inline-block;
    text-align: center; 
}