h1{ color: Black;} 
h2{ color: Black; }
h3{ color: Black; }

header{
margin-top:20px;
background-color:red;
width:900px;
height:100px;


}
#content{
background-color:black;
width:900px;
margin-left:auto;
margin-right:auto;
}
footer{
margin-top:20px;
background-color:red;
width:600px;
height:75px;

}

#squareBottom{
margin-top:20px;
background-color:White;
width:600px;
height:700px;
margin-left:15px
text-align:Center;
}
#squareContent{
margin-left:130px;
margin-right:200px;
width:100px;
margin-top:70px;
text-align:Center;