h2{
background-color: antiquewhite;
text-align: center;
color:blue;
border: 10px solid gray;
border-radius:  10 px ;

}


h3{



text-align: center;


}


h4{


text-align: center;

}

#z{


}

body{

background-color:whitesmoke;
text-align: center;
font-family:Arial, Helvetica, sans-serif;
color:black



}





p{

    
font-size: 20px;
coler:purple;
font-family:Arial, Helvetica, sans-serif;

}

pre{


font-size: 20px;
coler:purple;



}



.f1{

background-color: gray;

}


a{

font-size: 20 px ;
border: 5px;
border-radius: 1px;

}