body{
background-color:chartreuse;
background-size: 18000px;

}
p{
    text-align: center;
    color:black;
    font-size: 30px;
}
h1{
    text-align: center;
    font-size: 100px;
    color:black;
    
}
h2{
    text-align: center;
    font-size:40px;
    color:black;
}
h3{
    text-align: center;
    font-size: 40px;
    color:black;
}
h4{
    text-align: center;
    font-size: 40px;
    color:black;
}