form
body{
background: green;
}
form{
background: white;
padding:17px;
width:170px;
margin-left: 15%;
}
h2{color:green;
}
input{
color: green;
}
input[type="submit"]
{
background: green;
color: white;
width: 150px;
margin-left: 20px;
}
input[type="submit"]:hover
{
background: white;
color:white;
}