body{
font-family:Arial;
margin:0;
}

header{
background:#0b5ed7;
color:white;
padding:60px;
text-align:center;
}

.btn{
background:white;
padding:10px 20px;
text-decoration:none;
}

section{
padding:40px;
}

footer{
background:#eee;
padding:20px;
text-align:center;
}